Question

Помогите решить примеры
11/12-5/12
13/15-8/15
9/10-2/5
13/20-1/4
3/4-2/5
3/10-7/100

Answer 1

1) 6/12 = 1/2
2)5/15 = 1/3
3)5/10 = 1/2
4)8/20 = 2/5
5)15/20 - 8/20 = 7/20
6) 23/100