Question

calcule as adiçoes E SUBTRAÇOES DE FRAÇOES HETEROGENEAS ?                 

A]5/2+3/4

Answer 1

$\frac{5}{2}$ + $\frac{3}{4}$

tira mmc = 4

10 + 3  =  13
     4          4

Answer 2

MMC de 2 e 4 = 4

$\frac{3}{4}$+$\frac{5}{2}$

$\frac{5+3}{4}$

$\frac{10+3}{4}$

$\frac{13}{4}$