Question

45/4÷18/5 of 20/7+1/4​

Answer 1

Answer:

$( \frac{45}{4} \div \frac{18}{5}) \: of \:( \frac{20}{7} + \frac{1}{4}) \\ \\ = ( \frac{45}{4} \times \frac{5}{18} ) \times (\frac{20}{7} + \frac{1}{4} ) \\ \\ = (\frac{25}{6} ) \times ( \frac{80}{28} + \frac{7}{28} ) \\ \\ = \frac{25}{6} \times \frac{87}{28} \\ \\ = \frac{25 \times 29}{2 \times 28} \\ \\ = \frac{725}{56}$