Question 1

Find the least common multiple (LCM)of the list of numbers.
-4, 10

Accepted Answer

A) 40 
B) 80 
C) 2 
D) 20 
A) 40 
B) 80 
C) 2 
D) 20

Question 2

Use the order of operations to simplify the expression.
-$\left( \frac { 2 } { 5 } - \frac { 1 } { 12 } \right) ^ { 2 }$

Accepted Answer

A)  $\frac { 19 } { 60 }$ 
B)  $\frac { 361 } { 3600 }$ 
C)  $\frac { 361 } { 60 }$ 
D)  $\frac { 551 } { 3600 }$ 
A)  $\frac { 19 } { 60 }$ 
B)  $\frac { 361 } { 3600 }$ 
C)  $\frac { 361 } { 60 }$ 
D)  $\frac { 551 } { 3600 }$

Question 3

Insertnsert \) to form a true statement.
-$\frac { 7 } { 5 } \quad \frac { 21 } { 5 }$

Accepted Answer

A) > B) < A) > B) <

Question 4

Add and simplify.
-$2 \frac { 5 } { 9 } + 2 \frac { 4 } { 7 }$

Accepted Answer

A)  $2 \frac { 16 } { 63 }$ 
B)  $1 \frac { 40 } { 63 }$ 
C)  $\frac { 13 } { 16 }$ 
D)  $5 \frac { 8 } { 63 }$ 
A)  $2 \frac { 16 } { 63 }$ 
B)  $1 \frac { 40 } { 63 }$ 
C)  $\frac { 13 } { 16 }$ 
D)  $5 \frac { 8 } { 63 }$

Question 5

Evaluate.
-$\left( \frac { 3 } { 4 } \right) ^ { 3 } \cdot \left( \frac { 4 } { 5 } \right) ^ { 3 }$

Accepted Answer

A)  $\frac { 432 } { 5 }$ 
B)  $\frac { 27 } { 5 }$ 
C)  $\frac { 13 } { 27 }$ 
D)  $\frac { 27 } { 125 }$ 
A)  $\frac { 432 } { 5 }$ 
B)  $\frac { 27 } { 5 }$ 
C)  $\frac { 13 } { 27 }$ 
D)  $\frac { 27 } { 125 }$

Question 6

Find the least common multiple (LCM)of the list of numbers.
-5, 8

Accepted Answer

A) 13 
B) 5 
C) 40 
D) 8 
A) 13 
B) 5 
C) 40 
D) 8

Question 7

Add and simplify.
-$\frac { 4 } { 9 } + \frac { 2 } { 9 }$

Accepted Answer

A)  $\frac { 1 } { 3 }$ 
B)  $\frac { 2 } { 3 }$ 
C)  $\frac { 1 } { 2 }$ 
D)  $\frac { 3 } { 4 }$ 
A)  $\frac { 1 } { 3 }$ 
B)  $\frac { 2 } { 3 }$ 
C)  $\frac { 1 } { 2 }$ 
D)  $\frac { 3 } { 4 }$

Question 8

Add and simplify.
-$\frac { 2 } { 5 } + \frac { 1 } { 10 }$

Accepted Answer

A)  $\frac { 1 } { 2 }$ 
B)  $\frac { 3 } { 10 }$ 
C)  $\frac { 13 } { 25 }$ 
D)  $\frac { 1 } { 5 }$ 
A)  $\frac { 1 } { 2 }$ 
B)  $\frac { 3 } { 10 }$ 
C)  $\frac { 13 } { 25 }$ 
D)  $\frac { 1 } { 5 }$

Question 9

Perform the indicated operation. Simplify your answers.
-$\frac { 3 } { 2 } \div \frac { 11 } { 10 } \cdot \frac { 7 } { 12 }$

Accepted Answer

A)  $\frac { 35 } { 44 }$ 
B)  $\frac { 180 } { 77 }$ 
C)  $\frac { 2 } { 3 }$ 
D)  $\frac { 77 } { 80 }$ 
A)  $\frac { 35 } { 44 }$ 
B)  $\frac { 180 } { 77 }$ 
C)  $\frac { 2 } { 3 }$ 
D)  $\frac { 77 } { 80 }$

Question 10

Add and simplify.
-$\begin{array} { r } 
7 \frac { 1 } { 2 } \\
+ 6 \frac { 2 } { 7 }
\end{array}$

Accepted Answer

A) 14 $14 \frac { 11 } { 14 }$ 
B)  $7 \frac { 11 } { 14 }$ 
C)  $13 \frac { 11 } { 14 }$ 
D)  $12 \frac { 11 } { 14 }$ 
A) 14 $14 \frac { 11 } { 14 }$ 
B)  $7 \frac { 11 } { 14 }$ 
C)  $13 \frac { 11 } { 14 }$ 
D)  $12 \frac { 11 } { 14 }$

Question 11

Use the order of operations to simplify the expression.
-$\frac { 4 } { 9 } + \frac { 5 } { 12 } \cdot \frac { 3 } { 7 }$

Accepted Answer

A)  $\frac { 9 } { 4 }$ 
B)  $\frac { 112 } { 45 }$ 
C)  $\frac { 5 } { 63 }$ 
D)  $\frac { 16 } { 35 }$ 
A)  $\frac { 9 } { 4 }$ 
B)  $\frac { 112 } { 45 }$ 
C)  $\frac { 5 } { 63 }$ 
D)  $\frac { 16 } { 35 }$

Question 12

Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l l l } 
\text { equivalent } & \text { least common multiple } & > \
\text { mixed number } & \text { least common denominator } & < \
\text { unlike } & \text { like } & \text { exponent }
\end{array}$$
-Fractions that have different denominators are called_________  fractions.

Accepted Answer

A) least common multiple 
B) unlike 
C) like 
D) least common denominator 
A) least common multiple 
B) unlike 
C) like 
D) least common denominator

Question 13

Perform the indicated operation.
-$\frac { 1 } { 3 } \cdot \frac { 1 } { 9 }$

Accepted Answer

A)  $\frac { 1 } { 27 }$ 
B)  $\frac { 1 } { 3 }$ 
C) 27 
D)  $\frac { 1 } { 6 }$ 
A)  $\frac { 1 } { 27 }$ 
B)  $\frac { 1 } { 3 }$ 
C) 27 
D)  $\frac { 1 } { 6 }$

Question 14

Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l l l } 
\text { equivalent } & \text { least common multiple } & > \
\text { mixed number } & \text { least common denominator } & < \
\text { unlike } & \text { like } & \text { exponent }
\end{array}$$
-The symbol _________ means is less than.

Accepted Answer

A)  
A)

Question 15

Subtract and simplify.
-$\frac { 25 } { 42 } - \frac { 7 } { 42 }$

Accepted Answer

A)  $\frac { 2 } { 3 }$ 
B)  $\frac { 2 } { 7 }$ 
C)  $\frac { 3 } { 7 }$ 
D)  $\frac { 16 } { 21 }$ 
A)  $\frac { 2 } { 3 }$ 
B)  $\frac { 2 } { 7 }$ 
C)  $\frac { 3 } { 7 }$ 
D)  $\frac { 16 } { 21 }$

Question 16

Subtract and simplify.
-$\frac { 7 } { 12 } - \frac { 1 } { 16 }$

Accepted Answer

A)  $\frac { 25 } { 48 }$ 
B)  $\frac { 1 } { 8 }$ 
C)  $\frac { 3 } { 16 }$ 
D)  $\frac { 1 } { 6 }$ 
A)  $\frac { 25 } { 48 }$ 
B)  $\frac { 1 } { 8 }$ 
C)  $\frac { 3 } { 16 }$ 
D)  $\frac { 1 } { 6 }$

Question 17

Perform the indicated operation. Simplify your answers.
-$\frac { 5 } { 9 } - \frac { 1 } { 6 }$

Accepted Answer

A)  $\frac { 4 } { 9 }$ 
B)  $\frac { 7 } { 18 }$ 
C)  $\frac { 2 } { 27 }$ 
D)  $\frac { 7 } { 3 }$ 
A)  $\frac { 4 } { 9 }$ 
B)  $\frac { 7 } { 18 }$ 
C)  $\frac { 2 } { 27 }$ 
D)  $\frac { 7 } { 3 }$

Question 18

Use the order of operations to simplify the expression.
-$\frac { 1 } { 3 } \cdot \left( 5 \frac { 3 } { 4 } - \frac { 1 } { 5 } \right)$

Accepted Answer

A)  $\frac { 119 } { 60 }$ 
B)  $\frac { 37 } { 20 }$ 
C)  $\frac { 103 } { 60 }$ 
D)  $\frac { 333 } { 20 }$ 
A)  $\frac { 119 } { 60 }$ 
B)  $\frac { 37 } { 20 }$ 
C)  $\frac { 103 } { 60 }$ 
D)  $\frac { 333 } { 20 }$

Question 19

Subtract and simplify.
-$\begin{array} { r } 
18 \frac { 1 } { 9 } \\
- \quad \frac { 5 } { 9 }\\\hline
\end{array}$

Accepted Answer

A)   $17 \frac { 5 } { 9 }$ 
B)  $17 \frac { 4 } { 9 }$ 
C)  $18 \frac { 5 } { 9 }$ 
D)  $16 \frac { 5 } { 9 }$ 
A)   $17 \frac { 5 } { 9 }$ 
B)  $17 \frac { 4 } { 9 }$ 
C)  $18 \frac { 5 } { 9 }$ 
D)  $16 \frac { 5 } { 9 }$

Question 20

Perform the indicated operation. Simplify your answers.
-$\left( \frac { 7 } { 8 } \right) ^ { 2 } \div \left( \frac { 7 } { 8 } - \frac { 1 } { 12 } \right)$

Accepted Answer

A) 147 $\frac { 147 } { 19 }$ 
B)  $\frac { 931 } { 1536 }$ 
C)  $\frac { 19 } { 24 }$ 
D)  $\frac { 147 } { 152 }$ 
A) 147 $\frac { 147 } { 19 }$ 
B)  $\frac { 931 } { 1536 }$ 
C)  $\frac { 19 } { 24 }$ 
D)  $\frac { 147 } { 152 }$

Find the least common multiple (LCM)of the list of numbers. -4, 10

Use the order of operations to simplify the expression. - $\left( \frac { 2 } { 5 } - \frac { 1 } { 12 } \right) ^ { 2 }$

Insertnsert < or $>$ to form a true statement. - $\frac { 7 } { 5 } \quad \frac { 21 } { 5 }$

Add and simplify. - $2 \frac { 5 } { 9 } + 2 \frac { 4 } { 7 }$

Evaluate. - $\left( \frac { 3 } { 4 } \right) ^ { 3 } \cdot \left( \frac { 4 } { 5 } \right) ^ { 3 }$

Find the least common multiple (LCM)of the list of numbers. -5, 8

Add and simplify. - $\frac { 4 } { 9 } + \frac { 2 } { 9 }$

Add and simplify. - $\frac { 2 } { 5 } + \frac { 1 } { 10 }$

Perform the indicated operation. Simplify your answers. - $\frac { 3 } { 2 } \div \frac { 11 } { 10 } \cdot \frac { 7 } { 12 }$

Add and simplify. - 7 +6

Use the order of operations to simplify the expression. - $\frac { 4 } { 9 } + \frac { 5 } { 12 } \cdot \frac { 3 } { 7 }$

Fill in the blank with one of the words or phrases listed below. equivalent least common multiple > mixed number least common denominator < unlike like exponent -Fractions that have different denominators are called_________ fractions.

Perform the indicated operation. - $\frac { 1 } { 3 } \cdot \frac { 1 } { 9 }$

Fill in the blank with one of the words or phrases listed below. equivalent least common multiple > mixed number least common denominator < unlike like exponent -The symbol _________ means is less than.

Subtract and simplify. - $\frac { 25 } { 42 } - \frac { 7 } { 42 }$

Subtract and simplify. - $\frac { 7 } { 12 } - \frac { 1 } { 16 }$

Perform the indicated operation. Simplify your answers. - $\frac { 5 } { 9 } - \frac { 1 } { 6 }$

Use the order of operations to simplify the expression. - $\frac { 1 } { 3 } \cdot \left( 5 \frac { 3 } { 4 } - \frac { 1 } { 5 } \right)$

Subtract and simplify. - 18 -

Perform the indicated operation. Simplify your answers. - $\left( \frac { 7 } { 8 } \right) ^ { 2 } \div \left( \frac { 7 } { 8 } - \frac { 1 } { 12 } \right)$

The Whole Numbers

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Graphing Equations and Inequalities

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Exam 3: Adding and Subtracting Fractions