Question

Quanto é 6/10 + 3/4 + 1/5 - 1/2

Answer 1

$\frac{6}{10}+ \frac{3}{4}+ \frac{1}{5}- \frac{1}{2}= x$

m.m.c de 10, 5, 4 e 2 é =  20

$\frac{2 . 6}{20}+ \frac{5 . 3}{20}+ \frac{4.1}{20}- \frac{1.10}{20}=x$

$\frac{12}{20}+ \frac{15}{20}+ \frac{4}{20}- \frac{10}{20}= \frac{21}{20}$