\[\frac{5}{8} = \frac{25}{40};\ \ \frac{3}{5} = \frac{24}{40};\ \ \frac{7}{10} = \frac{28}{40};\ \]
\[\ \frac{1}{2} = \frac{20}{40}\]
\[\Rightarrow \frac{7}{10} < \frac{5}{8} < \frac{3}{5} < \frac{1}{2}.\]