Latex Coder 2

What is $\displaystyle {9}\frac{9}{11} - {2}\frac{1}{11}$?
A. $ {7}\dfrac{8}{11}$
B. $ {8}\dfrac{8}{11}$
C. $ \dfrac{8}{11}$
D. ${7}\dfrac{3}{11}$
E. $ {8}\dfrac{3}{11}$