Question

(4/5:25/20)*4/5+1/5
11/3+3(5/6-1/2*3/5)+1/6

Answer 1

solucion:

(4/5:25/20)*4/5+1/5
(16/25)*4/5+1/5
64/125+1/5
R// 89/125

11/3+3(5/6-1/2*3/5)+1/6
11/3+3 (5/6-3/10 )+1/6
11/3+3 (8/15)+1/6
11/3+8/5+1/6
11/3+53/30
R//163/30