Add and Subtract Fractions

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

Tags

CCSS.7.NS.A.1C

3/9 + 4/9

• 7/18
• 7/9
• 12/9
• 12/81

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 1/6
• 1
• 1/0
• 1/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 3/8
• 3/16
• 1/8
• 2/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Is this a correct answer?

• Yes, the student correctly added.
• No, you cannot add unlike denominators
• No, 5 + 7 is not 12
• No, 2 + 3 is not 5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

The number on the top of a fraction is called what?

• numerator
• denominator
• fractionator
• equivalent

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

2/5 + 3/10

• 7/10
• 5/10
• 1/2
• 5/15

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.3

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1/4 + 5/8

• 6/8
• 6/12
• 7/8
• 8/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

_{The common denominator is _____.} 

• 5
• 10
• 4
• 20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2