[tex]\frac{\not4}{\not6}=\frac{24}{\hbox{a}} \ \ \ \ \hbox{Simplify with 2 the fraction} \\\\ \frac{2}{3}=\frac{24}{\hbox{a}} \\\\ \hbox{a}=\frac{3*\not24}{\not2} \ \ \ \ \hbox{Simplify throw 2 the counter and the denominator} \\\\ \hbox{a}=3*12 \\\\ \boxed{\boxed{\hbox{a}=36}}[/tex]
