Question

(3/4+1/2) : (2/1-1/4) =

Answer 1

$( \frac{3}{4} + \frac{1}{2} ) \div ( \frac{2}{1} - \frac{1}{4} ) \\ \\ \frac{5}{4} \div \frac{7}{4} \\ \\ \frac{5}{4} \times \frac{4}{7} \\ \\ \frac{5}{1} \times \frac{1}{7} = \\ \\ \frac{5}{7}$