Tatsouka 2009

What is the value of $8$ $\dfrac{2}{4}$ $-$ $6$ $\dfrac{4}{9}$?
A. $2\dfrac{1}{18}$
B. $\dfrac{6}{13}$
C. $\dfrac{14}{13}$
D. $1$
E. $\dfrac{35}{18}$