Помогите решить дроби=5/48-1/12,5/12-5/18,1/14-1/21,3/26-4/39.

Question

Помогите решить дроби=5/48-1/12,5/12-5/18,1/14-1/21,3/26-4/39.

Answer 1

5/48 - 1/12 = 5/48 - 4/48 = 1/48
5/12 - 5/18 = 15/36 - 10/36 = 5/36
1/14 - 1/21 = 3/42 - 2/42 = 1/42
3/26 - 4/39 = 9/78 - 8/78 = 1/78