How do you simplify sqrt(27/48)?

It is $\frac{3}{4}$
$\sqrt{\frac{27}{48}} = \sqrt{{3}^{3} / \left(3 \cdot {2}^{4}\right)} = \sqrt{{3}^{2} / {2}^{4}} = \sqrt{{\left(\frac{3}{2} ^ 2\right)}^{2}} = \frac{3}{2} ^ 2 = \frac{3}{4}$