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

Aden is helping his dad paint his house. They mixed 5/9 gallons of white paint and 1/6 gallons of blue paint. How many gallons was the mixture in all?

• 6/18 gallons
• 13/18 gallons
• 4/5 gallons
• 1/6 gallons

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What number could be a common denominator for these three fractions?
1/2   and   1/3   and   1/4

• 9
• 8
• 12
• 6

Tags

CCSS.4.NF.A.2

5/7 + (-9/7)

• -4/7

• -7/4

• 4/7

• -7/4

Tags

CCSS.7.NS.A.1C

11/6 - (-7/6)

• -3

• 1/3

• -1/3

• 3

Tags

CCSS.7.NS.A.1C

-2/7 + (-2/3)

• -21/20

• 21/20

• 20/21

• -20/21

Tags

CCSS.7.NS.A.1C

2/5 + (-4/3)

• 15/14

• -14/15

• -15/14

• 14/15

Tags

CCSS.7.NS.A.1C

4.3 + (-3.6)

• 7.9

• 0.7

• -0.7

• -7.9

Tags

CCSS.7.NS.A.1C