Possible Duplicate:
How to increase the spacing between equations in “gather”?
This Tex snippet produces the crowded output below.
\begin{gather}
\frac{1}{2}\\
\frac{\frac{7}{2}}{\frac{5!}{3}}
\end{gather}
How do I space out the lines so that the fractions are not so close to each other?

\\as in\\[10pt]to specify how much vertical space to leave. – Peter Grill Apr 14 '12 at 20:20