<s>[INST] How do you solve this fraction? 
What is the value of:
  $$ \frac{2}{3} - \frac{1}{16} $$

My answer: $ \dfrac{1}{48} $ .
I believe that it's incorrect.
Three does not divide into $16$, so I cross multiplied. What am I doing wrong?
 [/INST] \begin{align*}
\frac{2}{3}+\frac{-1}{16}&=\frac{2}{3}-\frac{1}{16} \\
&=\left(\frac{16}{16}\right)\times\frac{2}{3}-\frac{1}{16}\times\left(\frac{3}{3}\right) \\
&=\frac{32}{48}-\frac{3}{48} \\
&=\frac{29}{48}
\end{align*}
</s>