\[\frac{9}{12}\]
\[\frac{12}{15}\]
\[\frac{18}{24}\]
\[\frac{28}{35}\]
\[\frac{12}{20}\]
\[\frac{15}{20}\]
\[\frac{21}{24}\]
\[\frac{18}{30}\]
\[\frac{16}{24}\]
\[\frac{14}{21}\]
\[\frac{25}{40}\]
\[\frac{20}{32}\]
\[\frac{15}{18}\]
