![\bf \cfrac{\frac{n}{12}-\frac{2}{9}}{\frac{n}{6}}\implies \cfrac{\stackrel{\textit{using an LCD of 36}}{\frac{(3)n-(4)2}{36}}}{\frac{n}{6}}\implies \cfrac{\frac{3n-8}{36}}{\frac{n}{6}}\implies \cfrac{3n-8}{\underset{6}{~~\begin{matrix} 36 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}}\cdot \cfrac{~~\begin{matrix} 6 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{n}\implies \cfrac{3n-8}{6n}](/tpl/images/0137/1324/4054f.png)
(n//9)/(n/6)=?
3n-8/6n
3n-8/6
8n-3/6
simplify
...
Answers: 2
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