?$\frac 23=\frac {16}{24},$??$\frac 58=\frac {15}{24},$??$\frac 23>\frac 58$?
?$ \frac 5{12}=\frac {15}{36},$??$\frac 7{18}=\frac {14}{36},$??$\frac 5{12}>\frac 7{18}$?
?$\frac {17}{16}=\frac {51}{48},$??$\frac {25}{24}=\frac {50}{48},$??$\frac {17}{16}>\frac {25}{24}$?