\[\boxed{\text{П.84.}}\]
\[\textbf{а)}\ \frac{238}{13} = 18\frac{4}{13}\]
\[\textbf{б)}\ \frac{2\ 860}{28} = 102\frac{4}{28}\ \]
\[\textbf{в)}\ \frac{601}{31} = 19\frac{12}{31}\ \]
\[\textbf{г)}\ \frac{5\ 374}{53} = 101\frac{21}{53}\ \]