Question

Efetue as divisões,simplificando o resultado quando possível
A)3/5+7/9
B)2+3/5
C)3/4+2/5

Answer 1

$a) \frac{3}{5} + \frac{7}{9} \\ \\ \frac{27 + 35}{45} \\ \\ \frac{62}{45}$

$b)2 + \frac{3}{5} \\ \\ \frac{10 + 3}{5} \\ \\ \frac{13}{5}$

$c) \frac{3}{4} + \frac{2}{5} \\ \\ \frac{15 + 8}{20} \\ \\ \frac{23}{20}$