Deck 9: Division of Common Fractions

Question 1

An installer can work 6 1/2 hours each day at a worksite. The installer will need 42 1/4 hours to do a complete installation of a heating and cooling system. How many days will the installer be at the job site?

Answer 1

6 1/2

Question 2

Duct tape is used to seal joints in duct insulation. A roll of duct tape contains 280 inches of tape. A 10-inch round duct with a 1-inch layer of insulation on it will need a piece of tape 37 3/4 inches long to cover the seam and overlap itself. How many seams will one roll of duct tape cover?

Answer 2

7

Question 3

Divide the following fractions and reduce to lowest terms: 3 3/4 ÷ 3/8 =

Answer 3

10

Question 4

When dividng fractions, both the divisor and dividend must be inverted.

Question 5

With division of common fractions, once the divisor is inverted, follow the rules for multiplication of fractions.

Question 6

Divide the following fractions and reduce to lowest terms: 9/16 ÷ 13 =

Question 7

Strips of metal are cut from a 3-foot by 7-foot (84-inch) sheet. Each strip is 3 feet long and 18 1/2 inches wide. Find the number of complete strips that can be made from this sheet.

Question 8

Divide the following fractions and reduce to lowest terms: 3/8 ÷ 2/3 =

Question 9

Divide the following fractions and reduce to lowest terms: 5 1/5 ÷ 1/5 =

Question 10

Divide the following fractions and reduce to lowest terms: 21 2/3 ÷ 1/5 =