Adding and Subtracting Fractions in Word Problems

Which is the best estimate of the sum of 5/6 and 3/8?

• 3

• 1 1/2

• 2

• 1/2

Darla added five-sixths of a bag of soil to her garden. Her neighbor Kierstyn added eleven-eighths bags of soil to her garden. How much more soil did Kierstyn add than Darla?

• Kierstyn add 13/24 more bags of soil to her garden

• Kierstyn add 1/2 more bags of soil to her garden

• Kierstyn add 11/20 more bags of soil to her garden

• Kierstyn add 7/24 more bags of soil to her garden

Frances rode her bike for one-fifth of a mile on Monday and two-fifths of a mile on Tuesday. How many miles did she ride altogether?

• Frances rode her bike for three-fifths of a mile altogether.

• Frances rode her bike for two-fifths of a mile altogether.

• Frances rode her bike for four-fifths of a mile altogether.

• Frances rode her bike for six-fifths of a mile altogether.

Miracle swam four-fifths of a lap in the morning and seven-fifteenths of a lap in the evening. How much farther did Miracle swim in the morning than in the evening?

• Miracle swam two-third of a lap farther in the morning.

• Miracle swam one-third of a lap farther in the morning.

• Miracle swam one whole lap farther in the morning.

• Miracle swam four-third of a lap farther in the morning.

At a pizza party, Calvin and his friends ate three and one-fourth cheese pizzas and two and three-fourths pepperoni pizzas. How much pizza did they eat in all?

• Calvin and his friends ate 1 and 1/3 pizzas in all.

• Calvin and his friends ate seven pizzas in all.

• Calvin and his friends ate 5 and 1/2 pizzas in all.

• Calvin and his friends ate six pizzas in all.

The Rodriguez family drove their car for five and five-sixths days to reach their vacation home, and then drove for six and one-sixth days to return home. How much longer did it take them to drive home?

• The Rodriguez family took one-half more days to drive home.

• The Rodriguez family took two-half more days to drive home.

• The Rodriguez family took three-half more days to drive home.

• The Rodriguez family took four-half more days to drive home.

A warehouse has 12 and nine-tenths meters of tape in one area of the building, and eight and three-fifths meters of tape in another part. How much tape does the warehouse have in all?

• The warehouse has 22 and one-half meters of tape in all.

• The warehouse has 20 and one-half meters of tape in all.

• The warehouse has 21 and one-half meters of tape in all.

• The warehouse has 23 and one-half meters of tape in all.

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.

Kayla ate 3/12 of a watermelon. Jordyn ate 1/12 of the watermelon. Then April ate 1/4 of the watermelon. How much of the watermelon did they eat?

• 6/12

• 7/36

• 4/12

• 7/12