Fractions Adding and Subtracting with Unlike Denominators

7/15 - 1/5 = 

• 5/6

• 4/15

• 3/5

7/8 - 1/6 = 

• 17/24

• 15/18

• 12/24

3/7 + 6/14 = 

• 6/7

• 12/14

• 13/14

What is a good common denominator for this problem?     3/9 + 1/3 = 

• 9

• 3

• 12

What is a good common denominator for this problem?    1/4 + 3/16 = 

• 16

• 4

• 8

What is a good common denominator for this question?    3/4 - 3/12 = 

• 24

• 20

• 12

What is a good common denominator for this problem?    3/9 + 1/6 = 

• 18

• 9

• 24

What is a good common denominator for this problem?  5/8 + 3/6 = 

• 24

• 18

• 32

What is a good common denominator for this problem?    5/10 + 2/15 = 

• 20

• 30

• 15

What is a good common denominator for this problem?   3/16 + 2/4 =

• 24

• 8

• 16