Latex Coder 2

What is $\displaystyle {6}\frac{4}{11} - {2}\frac{2}{11}$?
A. $ {4}\dfrac{2}{11}$
B. $ {5}\dfrac{2}{11}$
C. $ \dfrac{2}{11}$
D. ${4}\dfrac{6}{11}$
E. $ {5}\dfrac{6}{11}$