Question

Помогите решить дроби плииз

Answer 1

(1/2-4)*(5/12-5/3) = =(1/2-4)*(5/12-20/12) =
= (1/2-4)*(-1 1/4) =
-3 2/3 * (-1 1/4)=
=-11/3*(-5/4) = 55/12 =
= 4 7/12