What is $\displaystyle {7}\frac{4}{5} - {1}\frac{1}{5}$?
A. $ {6}\dfrac{3}{5}$
B. $ {7}\dfrac{3}{5}$
C. $ \dfrac{3}{5}$
D. ${6}\dfrac{2}{5}$
E. $ {7}\dfrac{2}{5}$
A. $ {6}\dfrac{3}{5}$
B. $ {7}\dfrac{3}{5}$
C. $ \dfrac{3}{5}$
D. ${6}\dfrac{2}{5}$
E. $ {7}\dfrac{2}{5}$
