Question

3/4×(2/5+1/2) quando é ​

Answer 1

$\frac{3}{4} \times ( \frac{2}{5} + \frac{1}{2} ) \\ mmc(5.2.) = 10 \\ \frac{3}{4} \times ( \frac{4 + 5}{10} ) \\ \frac{3}{4} \times \frac{9}{10} \\ \frac{27}{40}$