Question

(5/8+5/4+5/3):(-5/8)

Answer 1

(5/8 + 5/4 + 5/3) : (- 5/8) =             m.m.c. (8, 4, 3) = 24
= (15 + 30 + 40)/24 : (- 5/8) =
= 85/24 : (- 5)/8 =
= 85/24 . - 8/5 =
= - 680/120 =
= - 68/12 =
= - 17/3