Question

What should be added to $\frac{4}{5}$ to get $\frac{49}{30}?$

Answer 1

Let $x$ should be added

$⟹\frac{4}{5}+x=\frac{49}{30}⟹x=\frac{49}{30}-\frac{4}{5}=\frac{25}{30}=\frac{5}{6}$