# How do you put sqrt(4/49) in simplest radical form?

We can rewrite $\sqrt{\frac{4}{49}}$ as $\frac{\sqrt{4}}{\sqrt{49}}$
The square root of $4$ is $2$.
The square root of $49$ is $7$.
So, $\frac{\sqrt{4}}{\sqrt{49}} = \frac{2}{7}$