3 4/9 + 5 1/3

11 1/5 + 2 1/2 7

4/5 + 1 9/10

10 3/4 + 15 1/3

7 1/2 + 6 1/3

3 4/9 + 5 1/3

= 3 4/9 + 5 3/9

= 8 7/9

11 1/5 + 2 1/2

= 11 2/10 + 2 5/10

= 13 7/10

7 4/5 + 1 9/10

= 7 8/10 + 1 9/10

= 8 17/10

= 9 7/10

10 3/4 + 15 1/3

= 10 9/12 + 15 4/12

= 25 13/12

= 26 1/12

7 1/2 + 6 1/3

= 7 3/6 + 6 2/6

= 13 5/6