Tatsouka 2009

Posted byjaehwa
What is the value of $1$ $\dfrac{3}{6}$ $-$ $\dfrac{5}{9}$?
A. $\dfrac{17}{18}$
B. $\dfrac{8}{15}$
C. $\dfrac{16}{15}$
D. $1$
E. $\dfrac{37}{18}$