38) \(\left(\frac{2}{5}+\frac{13}{15}\right)\cdot6\)

Складываем дроби: \(\frac{2}{5}+\frac{13}{15}=\frac{6}{15}+\frac{13}{15}=\frac{19}{15}\).

Умножаем: \(\frac{19}{15}\cdot6=\frac{114}{15}=\frac{38}{5}=7\frac{3}{5}\).

Ответ: \(7\frac{3}{5}\).