AMC 12 2011b Problem 1

What is $\frac{2+4+6}{1+3+5}-\frac{1+3+5}{2+4+6}?$

\textbf{(A)}\ -1 \textbf{(B)}\ \frac{5}{36} \textbf{(C)}\ \frac{7}{12} \textbf{(D)}\ \frac{147}{60} \textbf{(E)}\ \frac{43}{3}