Answer
$\dfrac{2\sqrt{30}}{5}$
Work Step by Step
Rationalize the denominator by multiplying $\sqrt{30}$ to both the numerator and denominator:
$=\dfrac{12\sqrt{30}}{\sqrt{30}(\sqrt{30})}
\\=\dfrac{12\sqrt{30}}{30}$
Cancel the common factor, 6, to find:
$=\dfrac{2\sqrt{30}}{5}$