Adding and Subtracting Fractions with Like Denominators

Harry bought a pizza that had 10 equal slices. His friends ate 7/10 of the pizza and he ate 2/10 of the pizza. What fraction of the pizza was left after they finished eating?

• 9/10

• 5/0

• 1/10

• 5/10

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Sam walked 1/12 of a mile to Toni's house. Then Toni and Sam walked 4/12 of a mile to school. How far did Sam walk in all?

• 5/12

• 1/4

• 5/24

• 3/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Tim had 10/12 of a green streamer for a bulletin board. He used 5/12 roll for the border. What fraction of the roll of green streamer does Tim have left?

• 1 3/12

• 5/12

• 5/0

• 15/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

1/5 + 1/5 + 1/5 

• 2/5
• 1/5
• 3/5

Tags

CCSS.4.NF.B.3A

3/8 + 2/8

• 5/8
• 1/8
• 5/16

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

6/12 - 3/12

• 9/12

• 3/12

• 8/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

6/10 - 5/10

• 1/10
• 1/20

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

5/6 + 1/6

• 6/12
• 6/6 or 1

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of these 2 fractions?

• 6/18

• 3/9

• 6/9

• 1/9

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of these 2 fractions?

• 2/6

• 2/3

• 3/2

• 6/2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D