Adding and Subtracting Fractions with Equivalent Fractions

Aden is helping his dad paint his house. They mixed 5/9 gallons of white paint and 1/6 gallons of blue paint. How many gallons was the mixture in all?

• 6/18 gallons

• 13/18 gallons

• 4/5 gallons

• 1/6 gallons

Stacy used 1/4 cup of sugar and 2/3 cup of flour to bake a cupcakes. How much more flour did Stacy use than sugar?

• 11/12 cup

• 10/12 cup

• 6/12 cup

• 5/12 cup

Jimmy filled a pitcher 1/2 of the way full with water. Carolyn filled a pitcher of the same size 5/6 of the way full with water. How much more water did Carolyn fill than Jimmy?

• 1/6 more water

• 2/3 more water

• 1/3 more water

• 3/6 more water

What is the best common denominator for this problem?

• 5

• 2

• 20

• 10

Find equivalent fractions with common denominators for the problem shown above.

• 4/15 and 2/15

• 24/30 and 20/30

• 12/15 and 2/15

• 12/15 and 10/15

What is the sum?

• 1

What is the sum?

What is the sum of ⅛ and ⅓?

• 1/12

• 2/11

• 11/24

• 11/16

8/9 - 1/3 = 

• 7/6

• 5/9

• 2/3

• 8/27

4/8 + 1/3 =

• 5/11

• 4/8

• 13/24

• 4/11