Front

4   1/3   + 2  1/3

Back

6  2/3

Front

7 3/2 + 1 1/2

Back

10

Front

2 1/2 + 5 2/4 = ?

Back

8

Front

4 2/5 + 3 7/10

Back

8 1/10

Front

12 8/9 + 3 4/9 =

Back

16 1/3

Front

2 1/5 + 1 3/10 + 4 6/100

Back

7 14/25

Front

8 2/3 + 5 1/12 + 2 2/6

Back

16 1/12

Front

13 3/4 + 4 1/8

Back

17 7/8

Front

9 1/2 + 5 3/4

Back

15 1/4

Front

2 1/6 + 4 2/3

Back

6 5/6