Помогите пожалуйста срочно​

1 3/5 - 1/2 = 1 6/10 - 5/10 = 1 1/10 = 1,1

10 1/4 - 7 1/5 = 10,25 - 7,2 = 3,05

2 4/5 - 1 4/15 = 2 12/15 - 1 4/15 = 1 8/15

1 1/3 - 1/2 = 1 2/6 - 3/6 = 8/6 - 3/6 = 5/6

4 1/6 - 3 2/7 = 4 7/42 - 3 12/42 = 3 49/42 - 3 12/42 = 37/42