$\frac{3}{4} = \frac{3 * 3}{4 * 3} = \frac{9}{12}$;
$\frac{2}{3} = \frac{2 * 4}{3 * 4} = \frac{8}{12}$;
$\frac{5}{6} = \frac{5 * 2}{6 * 2} = \frac{10}{12}$;
$\frac{8}{12} < \frac{9}{12} < \frac{10}{12} < \frac{11}{12}$;
$\frac{2}{3} < \frac{3}{4} < \frac{5}{6} < \frac{11}{12}$.

$\frac{2}{5} = \frac{2 * 3}{5 * 3} = \frac{6}{15}$;
$\frac{1}{3} = \frac{1 * 5}{3 * 5} = \frac{5}{15}$;
$\frac{1}{15} < \frac{5}{15} < \frac{6}{15} < \frac{7}{15}$;
$\frac{1}{15} < \frac{1}{3} < \frac{2}{5} < \frac{7}{15}$.

$\frac{1}{2} = \frac{1 * 10}{2 * 10} = \frac{10}{20}$;
$\frac{2}{5} = \frac{2 * 4}{5 * 4} = \frac{8}{20}$;
$\frac{3}{4} = \frac{3 * 5}{4 * 5} = \frac{15}{20}$;
$\frac{8}{20} < \frac{10}{20} < \frac{15}{20} < \frac{17}{20}$;
$\frac{2}{5} < \frac{1}{2} < \frac{3}{4} < \frac{17}{20}$.

$\frac{7}{10} = \frac{7 * 10}{10 * 10} = \frac{70}{100}$;
$\frac{4}{5} = \frac{4 * 20}{5 * 20} = \frac{80}{100}$;
$\frac{1}{2} = \frac{1 * 50}{2 * 50} = \frac{50}{100}$;
$\frac{50}{100} < \frac{63}{100} < \frac{70}{100} < \frac{80}{100}$;
$\frac{1}{2} < \frac{63}{100} < \frac{7}{10} < \frac{4}{5}$.