# What is the sum of 4 1/5 + 5 2/5?

$4 \frac{1}{5} + 5 \frac{2}{5} = 4 + \frac{1}{5} + 5 + \frac{2}{5} = 4 + 5 + \frac{1}{5} + \frac{2}{5} =$
$\left(4 + 5\right) + \left(\frac{1}{5} + \frac{2}{5}\right) = 9 + \frac{1 + 2}{5} = 9 + \frac{3}{5} = 9 \frac{3}{5}$