What is $\displaystyle {6}\frac{7}{11} - {2}\frac{6}{11}$?
A. $ {4}\dfrac{1}{11}$
B. $ {5}\dfrac{1}{11}$
C. $ \dfrac{1}{11}$
D. ${4}\dfrac{5}{11}$
E. $ {5}\dfrac{5}{11}$
A. $ {4}\dfrac{1}{11}$
B. $ {5}\dfrac{1}{11}$
C. $ \dfrac{1}{11}$
D. ${4}\dfrac{5}{11}$
E. $ {5}\dfrac{5}{11}$
