Question

(1-1/5)-(1/2-3/10)=

(1/2+1/3):(1-5/6)=

Answer 1

(1-0,2)-(0,5-0,3)

0,8 - 0,2 =0,6

$\frac{1}{2} + \frac{1}{3} \div (1 - \frac{5}{6} ) =$

5/6 : 1/6. = 5/1 = 5