add fractions

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

• 30
• 11
• 6
• 5

Tags

CCSS.4.NF.A.2

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
• 1
• 2/35
• 23/25

Tags

CCSS.4.NF.A.1

CCSS.4.NF.A.2

• 1 7/8
• 2 1/8
• 3
• 6 3/8

Tags

CCSS.4.NF.A.2

1/12  + 3/12 =

• 2/12
• 1/12
• 4/12
• 5/12

Tags

CCSS.4.NF.B.3

CCSS.4.NF.C.5

Lori has 7 1/3 inches of red string and 6 2/3 inches of blue string. How many inches of string does she have in total?

• 13

• 14

• 
  

  $1\ \frac{1}{3}$
  

• $14\ \frac{2}{3}$

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.4.NF.C.5

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

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.2

CCSS.5.NF.A.1