Question

Dez doze avos + nove dezoito avos

Answer 1

10/12 + 9/18 = 5/6 + 3/6

= 5+3
---------
6



= 8/6 ---> divido por 2

= 4/3

Answer 2

Boa noite !

$\frac{10}{12}+ \frac{9}{18}$

$m.m.c(12,18)=36$

$\frac{30}{36} + \frac{18}{36} = \frac{48}{36} : \frac{12}{12}= \frac{4}{3}$

Bons estudos :)