\[\boxed{\text{5.52.}}\]
\[\textbf{а)}\ \frac{4}{8};\ \ \ \ \ \ \ \ \ \ \ \ \]
\[\textbf{б)}\ \frac{1}{3};\ \ \ \ \ \ \ \ \ \ \ \ \ \]
\[\textbf{в)}\ \frac{1}{2};\ \ \ \ \ \ \ \ \ \ \ \ \ \]
\[\textbf{г)}\ \frac{2}{4};\ \]
\[\textbf{д)}\ \frac{8}{10};\ \ \ \ \ \ \ \ \ \ \]
\[\textbf{е)}\ \frac{3}{100};\ \ \ \ \ \ \ \ \]
\[\textbf{ж)}\ \frac{13}{49}\text{.\ \ \ }\]