Solution Provider

What is ${6} \dfrac{4}{9} - {5}\dfrac{2}{3}$?
A. $\dfrac{7}{9}$
B. $ {1} \dfrac{7}{9}$
C. $ {2} \dfrac{7}{9}$
D. $ {4} \dfrac{7}{9}$
E. $ {3} \dfrac{7}{9}$