Question

08- Resolva as operações com fraç a) 5/7 + 4/7 = b) 2/4 + 1/4 c) 2/5.3/7 =​

Answer 1

☻Olá!

$a - \: \frac{5}{7} + \frac{4}{7} = \frac{5 + 4}{7} = \frac{9}{7}$

$b - \: \frac{2}{4} + \frac{1}{4} = \frac{4 + 1}{4} = \frac{5}{4}$

$c - \: \frac{2}{5} \times \frac{3}{7} = \frac{2 \times 3}{5 \times 7} = \frac{6}{35}$