\(\frac{3}{5}\cdot\frac{25}{4}\)

Сократим 25 и 5 на 5: \(\frac{3}{5}\cdot\frac{25}{4}=\frac{3}{1}\cdot\frac{5}{4}=\frac{15}{4}=3\frac{3}{4}\).

Ответ: \(\frac{15}{4}=3\frac{3}{4}\).