Adding and Subtracting Fractions Equal Denominators

If Ms. Perry brought the class a whole cheese pizza, and Silvia ate 3/26 of the pizza. Rakiya ate 5/26 of the pizza. Josiah ate 4/26 of the pizza. How much pizza does Ms. Perry have left?

• 1/26

• 14/26

• 1

• 12/26

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

To add or subtract, two fractions must have...

• a monkey.

• unlike terms.

• common denominators.

• the same numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Select the sentence that match the following expression: \frac{2}{8}+3\ \frac{5}{7}

• I have two eights and need to take away three and five sevenths.

• I have two eights and need to add three and seven fifths.

• I have 2 8s and need to add three five seven.

• I have two eighths and need to add three and five sevenths.

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

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

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