Помогите 5/12 + 1/60 ; 9/17 - 19/68 ; 9/10 + 4/15 ; 4/15 - 11/60

Question

Помогите 5/12 + 1/60 ; 9/17 - 19/68 ; 9/10 + 4/15 ; 4/15 - 11/60

Answer 1

5/12 + 1/60  =  13/60

9/17 - 19/68 = 1/4

9/10 + 4/15 = 1 1/6

4/15 - 11/60 =  1/2