Add and Subtract Fractions Common Denominator

5/10 + 8/5

• 5/9

• 1/10

• 2 1/10

• 2 2/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

3/5 - 5/10

• 1/10

• 8/5

• 1/5

• 8/0

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Pick the steps that are true

• find the common denominators, add or subtract, change the numerators

• multiply the denominators, add or subtract the numerators, simplify, divide the fraction

• Find the least common denominators, what you do to the top do to the bottom, add or subtract, simplify

• add or subtract, simplify, multiply denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

8/10 - 1/5

• 5/3

• 3/5

• 9/13

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

3/5 + 1/4 = 

• 5/20

• 12/20

• 7/20

• 17/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator for 1/3 and 3/4?

• 6

• 4

• 3

• 12

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

• 12

• 14

• 7

• 6

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

What is the least common denominator you could use to subtract 1/6 and 1/4?

• 24

• 16

• 20

• 12