## What fraction is $\frac{2}{5}$ of $\frac{3}{4}$?

$\frac{2}{5}$ of blood donors at a centre have group O blood. $\frac{3}{4}$ of these donors are under 30. What fraction of the group O blood donors at the centre are under 30? What I did was divide $\frac{2}{5}$ by $\frac{3}{4}$ to get $\frac{8}{15}$. Am I heading in right direction or completely off? Answer This is … Read more