Exam 2: Fractions

Your health insurance reimbursed your doctor $\frac { 3 } { 5 }$ of the billed amount for an office visit. You paid $\frac { 2 } { 6 }$ of the billed amount when you saw the doctor. What fractional amount of the bill remains to be paid?

Express the shaded portion of the circles as a mixed number.

There are two surgical technicians responsible for cleaning and maintaining the sterility of the surgical instruments utilized during surgery. Prior to lunch, one surgical technician cleaned $\frac { 1 } { 4 }$ of the instruments and the other cleaned $\frac { 1 } { 3 }$ of the instruments. How much of the cleaning remains?

Generally, the Centers for Disease Control and Prevention (CDC) studies show that there are more boys born than girls. In a recent group of 500 births, there were 405 boys born. a. What fraction of the babies born were boys? b. What fraction of the babies born were girls?

Find the least common multiple (LCM) of the numbers 10, 14.

There are 15 patients on the second floor at a nursing home. Each patient has been prescribed $1 \frac { 1 } { 2 }$ ounces of a certain medication. a. If one bottle of this medication contains 12 ounces of medication, will one bottle be enough to fill this order for all 15 patients? b. How many doses can be given from one bottle?

Express the shaded portion of the circles as an improper fraction.

Write the fraction in simplest form. $\frac { 0 } { 26 }$

Multiply: $\frac { 1 } { 3 } \times \frac { 5 } { 8 }$

Add: $\frac { 5 } { 12 } + \frac { 7 } { 12 }$

Write the improper fraction $\frac { 14 } { 5 }$ as a mixed number or a whole number.

Subtract: 14 -10

A new baby measured $10 \frac { 1 } { 16 }$ inches at birth. The baby grew $\frac { 15 } { 16 }$ inch in August and $\frac { 5 } { 16 }$ inch in September. How long is the baby at its two-month checkup?

The area of a rectangle is equal to the product of the length of the rectangle times its width. Find the area of a rectangle that has a length of $4 \frac { 2 } { 5 }$ miles and a width of $5 \frac { 1 } { 5 }$ miles. The area will be in square miles.

Identify the following fraction as a proper fraction, an improper fraction, or a mixed number. $2 \frac { 13 } { 15 }$

Multiply: $4 \frac { 4 } { 5 } \times 1 \frac { 1 } { 6 }$

Joe Salvo, a nurse, works 5 days and then has a day off. Joe's friend works 7 days and then has a day off. How many days after Joe and his friend have a day off together will they have another day off together?

Multiply $\frac { 1 } { 6 }$ and $\frac { 17 } { 18 }$ .

Divide: $5 \frac { 1 } { 2 } \div 4 \frac { 1 } { 4 }$

A cook for the nursing home is preparing 100 yeast rolls for dinner. The dry ingredients needed include $18 \frac { 1 } { 8 }$ cups of flour, $2 \frac { 5 } { 8 }$ cups of sugar, and $\frac { 5 } { 8 }$ cup of salt. How many cups of dry ingredients are in this recipe?