Question

What should be added to $4\frac{8}{15}$ to get $9\frac{2}{5}$?

Answer 1

Let $x$ be the number added to $4\frac{8}{15}$ to get $9\frac{2}{5}$. Then,

$4\frac{8}{15}+x=9\frac{2}{5}$

$\frac{68}{15}+x=\frac{47}{5}$

$x=\frac{47}{5}-\frac{68}{15}$

$x=\frac{73}{15}$

$x=4\frac{13}{15}$