adding and subtracting fractions with like denominators

2/12 + 3/12

• 5/12
• 5/24
• 6/12
• 6/144

3/9 + 4/9

• 7/18
• 7/9
• 12/9
• 12/81

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

4/5 - 1/5

• 5/5
• 4/1
• 3/0
• 3/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

2/3 - 1/3

• 1/3
• 2/1
• 2/0
• 1/9

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What fraction of the figure is shaded?

• 2/3

• 2/4

• 2/2

• 1/4

A dog groomer bathed 1/8 of his dogs every hour for his five hour workday. Which equation can be used to find the fraction of dogs he bathed at the end of his workday?

• 1/8 + 1/8 + 1/8 + 1/8 = 4/8

• 1/8 + 1/8 + 1/8 + 1/8 + 1/8 =5/40

• 1/8 + 1/8 + 1/8 + 1/8 + 1/8 =5/8

• 1/13 + 1/13 + 1/13 = 3/13

Tags

CCSS.5.NF.B.5B

Karen has been monitoring her mileage. According to last week's driving log, she drove 2/6 of a mile in her car and 1/6 of a mile in her truck. How far did Karen drive last week in all?

• 1/6
• 2/6
• 3/6
• 5/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Solve.

• ³/₄
• ³/₈
• ²/₄
• ³/₁₆

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

  How do you add two fractions with like denominators?

• Add the denominators; keep the numerators the same
• Add the numerators and add the denominators
• Add the numerators to the denominators
• Add the numerators and keep the like denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

3/5 + 4/5 =

• 1/10
• 1/5
• 7/10
• 7/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D