Answer
$\frac{\sqrt {x^2y^3}}{y^3}$
Work Step by Step
Rationalize the denominator by multiplying $\sqrt y^3$ to the numerator and denominator.
$\frac{\sqrt x^2}{\sqrt y^3}\times\frac{\sqrt y^3}{\sqrt y^3}$
Simplify
$\frac{\sqrt x^2y^3}{y^3}$
Answer: $\frac{\sqrt {x^2y^3}}{y^3}$