[tex] \frac{9}{4} \div \frac{1}{8} = \frac{9}{4} \times \frac{8}{1} = \frac{9}{1} \times \frac{2}{1 } = 18[/tex]
[tex] \frac{9}{4} \div \frac{8}{1} = \frac{9}{4} \times \frac{1}{8} = \frac{9}{32} [/tex]
