[tex] \bf \cfrac{3}{5}~~to~~9\implies \cfrac{3}{5}:9\implies \cfrac{~~\frac{3}{5}~~}{9}\implies \cfrac{~~\frac{3}{5}~~}{\frac{9}{1}}\implies \cfrac{3}{5}\cdot \cfrac{1}{9}
\\\\\\
\cfrac{3}{9}\cdot \cfrac{1}{5}\implies \cfrac{1}{3}\cdot \cfrac{1}{5}\implies \cfrac{1}{15}\implies 1:15 [/tex]
