2017 Pascal Problem 9

Wally makes a whole pizza and shares it with three friends. Jovin takes \frac{1}{3} of the pizza, Anna takes \frac{1}{6} of the pizza, and Olivia takes \frac{1}{4} of the pizza. What fraction of the pizza is left for Wally?

\textbf{(A)}\ \frac{1}{6}\quad \textbf{(B)}\ \frac{1}{4}\quad \textbf{(C)}\ \frac{10}{13}\quad \textbf{(D)}\ \frac{1}{12}\quad \textbf{(E)}\ \frac{1}{3}

If there are no answer choices shown, enter a numerical answer.

Full credit to this problem is given to the CEMC, you may view all Pascal contests here.