Adding, Subtracting, and Simplifying Fractions

Find the sum.
1/2 + 2/5

• 3/7
• 3/10
• 9/10
• 1  1/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What must you have in order to add fractions?

• different numerators
• common numerators
• common denominators
• opposite denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What would be the least common denominator for when you add 1/3 and 5/6?

• 3
• 6
• 9
• 12

Tags

CCSS.4.NF.A.2

CCSS.4.NF.C.5

Which problem would use 12 as the least common denominator?

• 2/3 + 3/5
• 3/4 + 1/6
• 7/10 + 1/2
• 5/12 + 3/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

3/5 + 3/10

• 9/12

• 9/10

• 3/5

• 6/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

5/12 + 1/3

• 6/12

• 9/12

• 6/15

• 3/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1/3 + 1/9

• 4/9

• 9/12

• 6/15

• 3/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

1/6 + 1/12

• 3/12

• 3/8

• 2/12

• 1/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

1/4 +3/8

• 4/8

• 1/2

• 5/8

• 1

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

7/18 + 1/3

• 8/18

• 13/18

• 8/21

• 2/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2