deletions | additions       diff --git a/ratio.tex b/ratio.tex  index f4696ac..ea30758 100644  --- a/ratio.tex  +++ b/ratio.tex 
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\:&=\:\left|\:\frac{9\left(1\:+\:\frac{1}{\infty}\right)}{4\left(1\:+\:\frac{2}{\infty}\right)}\:\right| \\[1em]  \:&=\:\left|\:\frac{9\left(1\:+\:0\right)}{4\left(1\:+\:0\right)}\:\right| \\[1em]  \:&=\:\left|\:\frac{9\left(1\right)}{4\left(1\right)}\:\right| \\[1em]  \:&=\:\left|\:\frac{9}{4}\:\right| \\[1em]  L\:&=\:\left[\:\frac{9}{4}\:\right] \\[1em]  \end{align}  \end{document}