Adding and Subtracting Fractions in Word Problems

Aiden mowed 1/3 of the lawn and stopped to drink a glass of water. He then mowed 1/6 of the lawn before running out of gas. How much of the lawn did he mow?

Write your answer in its simplest form.

• 4/6

• 3/6

• 1/6

• 2/9

Destiny was to feed her dog in the morning. She was to give the large dog 7/8 of a scoop of dog food and the smaller dog 1/4 of a scoop. How much more dog food does Destiny need to give the large dog?

• 3/8 scoop

• 5/8 scoop

• 1/2 scoop

• 1 scoop

Rachel had 1/8 bag of popcorn.

Ethan had 2/3 bag of popcorn.

How much popcorn did they have altogether?

• 3/11

• 3/8

• 3/24

• 19/24

Snow fell in Newton twice in one day. The town received 3/8 inch of snow in the morning and another 1/2 inch of snow in the afternoon. How many total inches of snow fell in Newton on that day?

• 1/8
• 3/10
• 5/8
• 7/8

Pam walks 3/4 of a mile to school. Paul walks 1/8 of a mile to school. How much farther does Pam walk than Paul?

• 5/8

• 4/8

• 1 3/8

• 3/4

The fifth grade math teachers ordered pizza for lunch. Mrs. Dombkowski ate 1/3 of the pizza. Ms. Chaney ate 5/12 of the pizza. How much more pizza did Ms. Chaney eat than Mrs. Dombkowski?

• 1/4

• 2/3

• 4/6

• 1/12

Simon has 1/5 of a gallon of cranberry juice, 1/3 of a gallon of apple juice, and 7/10 of a gallon of grape juice. How much juice does Simon have?

• 9/30
• 1/2
• 1  7/30
• 1  13/30

Tyson read for 2/3 hour today. He read for 3/5 hour yesterday. How many hours did Tyson read in all?

• 5/8 hours
• 1 4/15 hours
• 1 11/15 hours
• 2 4/15 hours

Beth had 3 and 1/4 cups of milk. She used 1 and 3/4 cups of the milk to bake a cake. How many cups of milk does Beth have left?
What operation do you use to solve this problem?

• Add
• Subtract
• Multiply
• Divide

Mr. Richie’s and Mrs. Madison’s 5th grade classes each have the same number of students. During lunch, 5/8 of Mr. Richie’s class and 3/5 of Mrs. Madison’s class purchased a school lunch. How much more of Mr. Richie’s class bought a school lunch?
What operation do you use to solve this problem?

• Add
• Subtract
• Multiply
• Divide