Question

1/2+1/3 1/4+2/5 2/3+1/4 3/4+2/5 5/7-1/6 3/4-1/3

Answer 1

1/2+1/3=3/6+2/6=5/6

1/4+2/5=5/20+8/20=13/20

2/3+1/4=8/12+2/12=11/12

3/4+2/5=15/20+8/20=23/20=1 3/20

5/7-1/6=30/42-7/42=23/42

3/4-1/3=9/12-4/12=5/12