Question

$\frac{5}{7} + \frac{1}{4} \times \frac{2}{5} - \frac{4}{6} =$
ayuda !!!
porfa .​

Answer 1

$\frac{5}{7} +\frac{1}{4}.\frac{2}{5}-\frac{4}{6}=\\\\\frac{5}{7}+\frac{2}{20}-\frac{4}{6}=\\\\\frac{150+21-140}{210} =\\\\\frac{31}{210}$