Adding and Subtracting Fraction Equations

Diane made a pie. She took 3/12 of the pie to school for lunch with friends. At dinner, she and her family ate 4/12 of the pie. What fraction of the pie was left after dinner?

• 12/35

• 12/12

• 7/12

• 5/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Jacks had 7/8 of his pencil at the beginning of the day.  At the end of the day, there was 3/8 of the pencil left.  How much of the pencil did Jack use during the day?

• 3/8

• 1/2

• 4

• 10/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Elisa practiced her math project for a total of 3 2/4 hours last week and 2 1/4 hours this week. Which number sentence can be used to find the fraction of hours Elisa worked on her math project during these two weeks?

• 14/4 + 9/4 = 23/8

• 2/4 + 1/4 = 3/4

• 2/4 + 1/4 = 3/8

• 14/4 + 9/4 = 23/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Which equation shows the sum of 1 1/4 + 2 2/4?

• 5/4 + 10/4 = 15/8

• 5/4 + 10/4 = 15/4

• 2/4 + 4/4 = 6/4

• 1/4 + 2/4 = 3/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 7/20

• 3/12

• 3/10

• 7/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 4/7

• 13/12

• 1 1/12

• 4/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of these fractions in lowest terms?

• 5/12

• 5/24

• 6/12

• 6/144

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of these fractions in lowest terms?

• 4/5

• 3/20

• 17/20

• 4/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of these fractions in lowest terms?

• 7/18

• 7/9

• 12/9

• 12/81

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 5/4

• 1 1/4

• 4/4

• 4/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2