Latex Coder 2

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