Adding fractions with unlike denominators

Front

2/3 + 1/6 =

Back

5/6

Front

3/8 + 1/4 =

Back

5/8

Front

1/2 + 2/5 =

Back

9/10

Front

3/10 + 2/5 =

Back

7/10

Front

4/5 + 1/10 =

Back

9/10

Front

2/5 + 1/4 =

Back

13/20

Front

1/3 + 1/4 =

Back

7/12

Front

3/5 + 1/5 =

Back

4/5

Front

3/8 + 2/8 =

Back

5/8

Front

5/6 + 2/6 =

Back

1 and 1/6