a)
[tex]\begin{gathered} \frac{6}{5}=\text{ }\frac{12}{10}\text{ = }\frac{48}{40}\text{ }\frac{1}{4}=\text{ }\frac{10}{40}\text{ }\frac{7}{10}=\text{ }\frac{28}{40}\text{ }\frac{9}{10}=\text{ }\frac{36}{40} \\ \\ \text{ }After\text{ using the benchfrantions we concluded that} \\ \text{ }\frac{10}{40}\text{ < }\frac{28}{40}\text{ < }\frac{36}{40}\text{ < }\frac{48}{40}\text{ } \\ \text{ }\frac{1}{4}\text{ < }\frac{7}{10}\text{ < }\frac{9}{10}\text{ < }\frac{6}{5} \end{gathered}[/tex]
b)
[tex]\begin{gathered} \text{ }\frac{8}{16}\text{ = }\frac{4}{8}\text{ = }\frac{20}{40} \\ \text{ Order} \\ \text{ }\frac{1}{4}\text{ < }\frac{8}{16}\text{ < }\frac{7}{10}\text{ < }\frac{9\text{ }}{10}\text{ < }\frac{6}{5} \end{gathered}[/tex]