Question

Solve the equation
$\frac{a}{5}=\frac{9}{15}$

Answer 1

The given expression is $\frac{a}{5}=\frac{9}{15}$

Now, multiply by $5$ both side

$\frac{a}{5}\times 5=\frac{9}{15}\times 5$

$\Rightarrow a=3$