Question

A)1/5+3/10 b)2/7+8/14

Answer 1

a) 1/15+3/10=4/15

b)2/7+8/14=10/21

Answer 2

Resposta:

$a)\frac{1}{2}$

$b) \frac{6}{7}$

Explicação passo a passo:

$a)\frac{1}{5} + \frac{3}{10} = \\ \\ \frac{2}{10} + \frac{3}{10} = \\ \\ \frac{5}{10} = \\ \\ \frac{1}{2}$

$b)\frac{2}{7} + \frac{8}{14} = \\ \\ \frac{2}{7} + \frac{4}{7} = \\ \\ \frac{6}{7}$