Adding and Subtracting Fractions Word Problem

An electrician has three and seven-sixteenths cm of wire. He needs only two and five-eighths cm of wire for a job. How much wire does he need to cut?

• The electrician needs to cut 10 sixteenths cm of wire.

• The electrician needs to cut 11 sixteenths cm of wire.

• The electrician needs to cut 12 sixteenths cm of wire.

• The electrician needs to cut 13 sixteenths cm of wire.

A carpenter had a piece of wood that was 15 feet in length. If he needs only 10 and five-twelfths feet of wood, then how much wood should he cut?

• The carpenter needs to cut three and seven-twelfths feet of wood.

• The carpenter needs to cut two and seven-twelfths feet of wood.

• The carpenter needs to cut four and seven-twelfths feet of wood.

• The carpenter needs to cut seven-twelfths feet of wood.

The Fox family ordered a large pizza with 12 slices. Three-twelfths of the pizza was pepperoni. Four-twelfths of the pizza was ham and the rest was just cheese. What fraction of the pizza was just cheese?

After dinner, Joe and his family eat 1/2 of Joe's birthday cake. Then, Joe eats another 1/8 of the cake for breakfast the following morning and his brother eats 1/4 of it. How much of the cake has been eaten?

• 1 1/8

• 7/8

• 1

• 9/16

A plumber is fitting a water pipe that is 3/4 foot long on to a water pipe that is 2/12 foot long. How long will the finished pipe be?

• 11/12 foot

• 8/16 foot

• 2/12 foot

• 1 foot

Daniel watched a beetle and a spider on the sidewalk. The beetle crawled 1/2 of a yard and the spider crawled 1/8 of a yard. How much farther did the beetle crawl than the spider?

• 1/4

• 3/8

• 1/2

• 5/8