Deck 10: Combined Operations With Common Fractions

Question 1

Solve and reduce all answers to lowest terms: 5/8 + 3/4 + 1/16 + 3/8 =

Answer 1

1 13/16

Question 2

A technician uses #10 wire for a repair job. Before starting the job, the roll has 85 1/4 feet of wire on it. The technician uses 1/3 of the roll. How many feet of wire does the technician use?

Answer 2

28 5/12

Question 3

The lowest common denominator when adding the fractions 1/20 + 1/5 + 1/15 is 30.

Answer 3

False

Question 4

A technician uses #10 wire for a repair job. Before starting the job, the roll has 85 1/4 feet of wire on it. The technician uses 1/3 of the roll. How many feet of wire are left on the roll?

Question 5

A circular duct has an outside diameter of 7 3/8 inches. Insulation that is 1 3/16 inches thick is wrapped around the duct. What is the diameter of the insulated duct?

Question 6

A piece of duct measures 28 inches. When 2 pieces are fitted together, 1 1/2 inches are allowed on each duct for fitting. On a job, 28 1/2 pieces of ducting are used. Find in inches the length of the finished duct.

Question 7

Solve and reduce all answers to lowest terms: 2 5/8 x 3/4 =

Question 8

Solve and reduce all answers to lowest terms: 3 7/8 - 3/4 - 1/16 =

Question 9

Use only the rules for addition and division of common fractions to solve the combined operations with common fractions problems.

Question 10

Solve and reduce all answers to lowest terms: 2 1/4 ÷ 1/3 =