add/subtract fractions

What must you have to add and subtract fractions?

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

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What number could be a common denominator for these two fractions?
1/5   and   5/6?

• 30
• 11
• 6
• 5

Tags

CCSS.4.NF.A.2

Fill in the blank in order to create an equivalent fraction.
1/2 = __ /8

• 2
• 4
• 6
• 8

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

• 1/12
• 1
• 2/35
• 23/25

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

What is the least common denominator for 6/7 and 1/2?

• 12
• 14
• 7
• 6

Tags

CCSS.4.NF.A.2

Add these fractions.
1/2 + 1/3 =

• 5/6
• 2/5
• 1/5
• 1

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

2 3/4 + 4/9

• 2 7/13

• 2 11/18

• 7/13

• 11/18

4/5 + 5/6

• 9/11

• 1/21/30

• 1 19/30

• 31/30

3/5 + 1/4 = 

• 5/20
• 12/20
• 7/20
• 17/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2