СРОЧНОООООО!!!ПОЖАЛУЙЙСТАААААА!

1)
$\frac{7}{20} = \frac{21}{60}$
$\frac{5}{12} = \frac{25}{60}$
=>
$\frac{7}{20} < \frac{5}{12}$
2)
$\frac{11}{24} = \frac{55}{120}$
$\frac{1}{30} = \frac{4}{120}$
=>
$\frac{1}{24} < \frac{1}{30}$
3)
$\frac{11}{18} = \frac{44}{72}$
$\frac{7}{12} = \frac{42}{72}$
\frac{7}{12} " alt=" \frac{11}{18} > \frac{7}{12} " align="absmiddle" class="latex-formula">