Math

What is 9/16-1/2

$\begin{array}{|rcll|} \hline && \frac{9}{16}-\frac{1}{2} \\ &=& \frac{9}{16}-\frac{1}{2} \cdot \frac{8}{8} \\ &=& \frac{9}{16}-\frac{8}{16} \\ &=& \frac{9-8}{16} \\ &=& \frac{1}{16} \\ \hline \end{array}$