Question

Efectuati:
(1/5+1/3.0,75):(1/3-1/4):6/5=

Answer 1

(1/5+1/3.0,75):(1/3-1/4):6/5=
=(1/5+1/3 *75/100):(1/3-1/4):6/5=
=(1/5+1/3 *3/4):(4-3)/12:6/5=
=(1/5+1/4):1/12:6/5=
=(4+5)/20 * 12/1 *5/6=
 =9/20 * 2/1 *5/1=
 =9/4 * 2/1 *1/1=
=9/2