Add and Subtract Fractions Word Problems

When Alex had one cat, he needed to serve 1/2 of a can of cat food each day. Now that Alex has adopted a second cat, he needs to serve a total of 2/3 of a can each day. How much extra food is needed to feed the second cat?

Westford's zoo has two elephants. The male elephant weighs 33/5 tons and the female elephant weighs 14/5 tons. How much more does the male weigh than the female?

Gail made 7/8 quart of lemonade. Her sister drank 1/4 quart of the lemonade. How much lemonade is left?

• 1 quart

Oliver swam three - sevenths of a mile on Saturday and two - sevenths of a mile on Sunday. Which day did Oliver swim farther and by how much?

• Saturday, by 1/7 of a mile 

• Saturday, by 5/7 of a mile 

• Sunday, by 1/7 of a mile 

• Sunday, by 5/7 of a mile

MarthaMayMarbleWay has a pink ribbon and a purple ribbon. The pink ribbon is 6 1/5 inches long. The purple ribbon is 8 2/10 inches. How much ribbon does she have?

Shane needs 10 3/5 hours to complete a project.

If he already worked on the project for 5 3/4 hours, how many more hours does he need to complete her project?

(Hint: rename if necessary)

• 15 6/9

• 5 6/20

• 4 3/20

• 4 17/20

Jayden bought a 5 cup bag of pecans. If she uses 2 2/3 cups to bake cookies, how many cups of pecans will be left in the bag?

• 7 2/3 cups

• 3 2/3 cups

• 2 1/3 cups

• 3 1/3 cups

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

Jordan ate 8/12 of a pizza. Michael ate 1/3 of a pizza. Who ate more pizza and by how much? (Hint: you can compare fractions if they have a common denominator)

• Jordan by 4/12

• Michael by 7/12

• Michael by 9/12

• Jordan by 1/3

Caroline collected 3 1/4 bags of bottles to take to the recycling center.

1/3 of the bags are glass bottles.

2/3 of the bags are plastic bottles.

The recycling center only accepts plastic bottles.

How many bags will the recycling center accept?

• 1 1/12

• 1 1/6

• 2 1/3

• 2 1/6