Question

1: 2 2/3 - 3/5
2: 2 1/5 + 1 1/10
3: 2 5/7 - 2/3
4: 1/4 + w = 6 1/3

Answer 1

2 2/3 - 3/5 = 2 1/15

2 1/5 + 11/10 = 3 3/10

2 5/7 - 2/3 = 2 1/21

1/4 + w = 6 1/3

w = 6 1/12

Hope this helps :)