Question

Efetue as operações e simplifique o resultado quando possível: {2/7÷(3/2-9/8+3/5)×3/7}

Answer 1

   $\frac{\frac{2}{7}}{\frac{3}{2}-\frac{9}{8}+\frac{3}{5}}*\frac{3}{7}=$

$=\frac{\frac{2}{7}}{\frac{60}{40}-\frac{45}{40}+\frac{24}{40}}*\frac{3}{7}=$

$=\frac{\frac{2}{7}}{\frac{39}{40}}*\frac{3}{7}=$

$={\frac{2*40}{7*39}*\frac{3}{7}=$

$={\frac{80}{273}*\frac{3}{7}=$

$={\frac{240}{1911}=$

$=\frac{80}{637}$