Question

помогите решить 2,6-2,6/7,8

Answer 1

2,6 - (2,6/7,8) = 2,6 - 1/3  = 2 6/10 - 1/3 = 2 +(6/10 - 1/3) = 2+(18/30-10/30) =
= 2 8/30 = 2 4/15