§ Задание 99
\[\boxed{\text{5.99.}}\]
\[\textbf{а)}\ \frac{2}{3} = \frac{16}{24}\]

\[\textbf{б)}\ \frac{5}{6} = \frac{20}{24}\]
\(\ \)
\[\boxed{\text{5.99.}}\]
\[\textbf{а)}\ \frac{2}{3} = \frac{16}{24}\]

\[\textbf{б)}\ \frac{5}{6} = \frac{20}{24}\]
\(\ \)