Question

3 7/9 + 6/9

2/5 + 1/3

3/4 - 2/3

7 1/4 - 5 3/4

4 1/6 + 2 7/9

5 1/4 - 4 7/10

Answer 1

43/9; 11/15; 1/12; 9/2; 59/6; 161/20.