Addition and Subtraction of Fractions Test Review

Kayla made pancakes for her family. - 3/9 of the pancakes were pumpkin. - 2/9 of the pancakes were strawberry. - The rest of the pancakes were not pumpkin or strawberry. What fraction of the pancakes were not pumpkin or strawberry?

• 1/9, because 3/9 - 2/9 = 1/9

• 4/9, because 3/9 + 2/9 = 5/9 and 9/9 - 5/9 = 4/9

• 5/9, because 3/9 + 2/9 = 5/9

Cheryl and Brooke shared a candy bar. Cheryl ate 3/12 of the candy bar. The girls ate 10/12 of the candy bar altogether. What fraction of the candy bar did Brooke eat?

• 13/12

• 13/24

• 7/12

Jennifer, Rebecca, and Deborah painted the cafeteria at their school. Jennifer painted 4/10 of the cafeteria. Rebecca painted 4/5 of the cafeteria. Deborah painted the rest of the cafeteria. What is a reasonable estimate for the part of the cafeteria painted by Jennifer and Rebecca?

• Between 3/4 and 1

• Between 1/2 and 3/4

• Between 1/4 and 1/2

• More than 1

The number of each kind of flower in a bouquet is shown below. Which expression can be used to find the fraction of flowers in the bouquet that are sunflowers and carnations?

• 3/3 + 5/5

• 4/4 + 5/5

• 5/12 + 3/12

• 3/12 + 4/12

Kyle used parts of two identical rolls of tape for a project. The models are shaded to represent the part of each roll of tape he used. What fraction of the rolls of tape did Kyle use for the project?

• 4/8

• 5/8

• 1 and 3/8

• 1 and 4/8

The shaded parts of the model represent the combined fraction of a small pie that Darrell and Nani ate. Darrell ate 2/9 of the pie. What fraction of the pie did Nani eat?

Reza sorted a box of books. - 3/5 of the books were mysteries. - 1/3 of the books were science fiction. - The rest of the books were biographies.

How could the books in the box be described? Select ONE correct answer in each box to complete each sentence.

__(A)__ half the books in the box were mysteries. - (a)  

__(b)__ half the books in the box were biographies. - (b)  

• ____ half the books in the box were mysteries.

• ____ half the books in the box were biographies.

• More than
• less than

In a family, there are 6 children. Some go to elementary school, some go to middle school, and the rest go to high school.

2/6 of the children go to elementary school.

3/6 of the children go to middle school.

1/6 of the children go to high school.

What is the fraction of the children who go to elementary school and high school?

• A. 3/6

• B. 3/12

• C. 5/6

• D. 1/6

Yasmine made waffles for her family.

- 4/7 of the waffles were blueberry.

- 1/7 of the waffles were chocolate chip.

- The rest of the waffles did not have blueberries or chocolate chips.

What fraction of the waffles did not have blueberries or chocolate chips?

• F. 5/7, because 4/7 + 1/7 = 5/7

• G. 12/7, because 4/7 + 1/7 = 5/7 and 7/7 + 5/7 = 12/7

• H. 3/7, because 4/7 + 1/7 = 5/7 and 7/7 - 5/7 = 3/7

• J. 2/7, because 4/7 + 1/7 = 5/7 and 7/7 - 5/7 = 2/7

Ignacio and Elaine read the same book. The shaded part of each model represents the fraction of the book that each student read. Which expression can be used to find the difference between the fraction of the book Elaine read and the fraction of the book Ignacio read?

• 16/4 - 13/7

• 7/13 - 4/16

• 16/20 - 13/20

• 20/16 - 20/13