Question

what is 1/5 of 10/40

Answer 1

1/5 of 10/40
1/5×10/40=0.05

Answer 2

hey

$\frac{1}{5} \: of \frac{10}{40} \\ = \frac{1}{5} \times \frac{10}{40} \\ = \frac{1}{5} \times \frac{1}{4} \\ = \frac{1}{20}$
Hope it helps to you....