Question

Question 3 (i)
Multiply the following fractions
$\frac{2}{5}\times 5\frac{1}{4}$

Answer 1

$\frac{2}{5}\times 5\frac{1}{4}=\frac{2}{5}\times \frac{21}{4}=\frac{2\times 21}{5\times 4}=\frac{1\times 21}{5\times 2}=\frac{21}{10}=2\frac{1}{10}$