add fractions

What number could be a common denominator for these two fractions?
1/5   and   5/6?

• 30

• 11

• 6

• 5

Fill in the blank in order to create an equivalent fraction.
1/2 = __ /8

• 2

• 4

• 6

• 8

Tags

CCSS.4.NF.A.1

CCSS.3.NF.A.3B

1/12  + 3/12 =

• 2/12

• 1/12

• 4/12

• 5/12

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

2/5 + 3/10

• 7/10

• 5/10

• 1/2

• 5/15

Tags

CCSS.5.NF.A.2

CCSS.5.NF.A.1

3/5 + 7/10

• 13/10

• 10/15

• 10/5

• 15/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

5/8 + 1/4

• 7/8

• 6/8

• 3/4

• 2/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

3/5 + 7/10

• 13/10

• 10/15

• 10/5

• 15/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

5/8 + 1/4

• 7/8

• 6/8

• 3/4

• 2/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

2/12 + 3/12

• 5/12

• 5/24

• 6/12

• 6/144

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

Add 4/6 + 2/6=?

• 1 = 6/6

• 5/6

• 6/12

• 2/6

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C