Fractions with Unlike Denominators

Find the LCM of 6 and 8.

• 12

• 48

• 24

Find the LCM of 2 and 7

• 14

• 24

• 35

1/4 + 1/3 =

• 2/7

• 7/12

• 6/12

3/5 + 1/3 =

• 14/15

• 4/8

• 4/15

2/5 + 1/2 =

• 3/7

• 3/10

• 9/10

2/5 - 1/10 =

• 3/10

• 3/15

• 4/10

5/7 - 2/3 =

• 1/21

• 7/9

• 1/15

2/3 - 3/8 =

• 5/11

• 7/24

• 7/8

6/7 - 2/6 =

• 11/21

• 8/21

• 11/7

7/11 - 1/3 =

• 8/33

• 10/11

• 10/33