Fraction Operations

What is the least common denominator you could use to subtract 1/3 and 1/4?

• 3
• 4
• 24
• 12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

3/12 + 5/12

• 8/24 = 1/3
• 15/12 = 1 3/12 = 1 1/4
• 8/12 = 2/3
• 2/12 = 1/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Gina had 1/4 of a pizza and she shared it with 3 people How much did each person get? Which operation would you use?

• add

• subtract

• multiply

• divide

1/8 + 1/12

• 5/24
• 2/96 = 1/48
• 2/20 = 1/10
• 1/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

3/7 + 1/4

• 4/11
• 19/28
• 4/28
• 3/11

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

8/11 - 5/11

• 13/22
• 3/22
• 13/11 = 1 2/11
• 3/11

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

11/12 - 3/4

• 14/12 = 1 2/12 = 1 1/6
• 8/8 = 1
• 2/12 = 1/6
• 8/12 = 2/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

5 1/6 + 4 1/2

• 9 2/8 = 9 1/4
• 9 2/6 = 9 1/3
• 9 1/12
• 9 4/6 = 9 2/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

9 - 4 1/3

• 4 2/3
• 5 1/3
• 5 2/3
• 4 1/3

Tags

CCSS.7.NS.A.1C

5/12 x 8/15.
Express your answer in lowest terms.

• 40/180
• 8/36
• 2/9
• 4/18

Tags

CCSS.5.NF.B.6