Question

efetue as operações e apresente a resposta na forma simplificada

a)1/30 + 9/30
b)8/15 - 2/15​

Answer 1

a) $\frac{1}{30}$ + $\frac{9}{30}$

$\frac{1 + 9}{30}$

$\frac{10}{30}$

$\frac{1}{3}$

b) $\frac{8}{15}$ - $\frac{2}{15}$

$\frac{8 - 2}{15}$

$\frac{6}{15}$

$\frac{2}{5}$

Answer 2

Explicação passo-a-passo:

a) 1/30+9/30= (1+9)/30= 10/30= 1/3

b) 8/15-2/15=(8-2)/15=6/15 :(3/3)=2/5