32.8 : 75 15 =

$${\frac{32}{75}} : {\frac{8}{15}} = {\frac{32}{75}} \cdot {\frac{15}{8}} = {\frac{32 \cdot 15}{75 \cdot 8}} = {\frac{4 \cdot 8 \cdot 15}{5 \cdot 15 \cdot 8}} = {\frac{4}{5}}$$

Ответ: $$\frac{4}{5}$$