Answer
$\frac{5}{12}$
Work Step by Step
We know that the whole circle must add up to 1. Therefore, we can find the unknown part by subtracting the known parts from 1 and finding the difference.
$1-\frac{1}{4}-\frac{1}{3}=\frac{12}{12}-\frac{3}{12}-\frac{4}{12}=\frac{(12-3-4)}{12}=\frac{5}{12}$