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

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

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

3/10 x 5/8

• 3/16
• 15/80
• 8/18 = 4/9
• 3/8

Tags

CCSS.5.NF.B.6

6 ÷3/5

• 18/5 = 3 3/5
• 3/30 = 1/10
• 5/18
• 30/3 = 10

Tags

CCSS.5.NF.B.3

CCSS.5.NF.B.7

• 13/3
• 13/27
• 9/39
• 3/13

Tags

CCSS.6.NS.A.1

• 5/6
• 3/15
• 3/8
• 2/15

Tags

CCSS.5.NF.B.6

• 1/6
• 2/12
• 8/9
• 8/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2