Answer
$\frac{30-5\sqrt 3}{33}$
Work Step by Step
Multiply the numerator and the denominator by the conjugate of the denominator to rationalize the denominator.
$\frac{5}{6+\sqrt 3}$
$\frac{5}{6+\sqrt 3}*\frac{6-\sqrt 3}{6-\sqrt 3}$
$\frac{30-5\sqrt 3}{33}$