Найди значение выражения: 1 2/5:2 4/15.

\[\frac{1\frac{2}{5}}{2\frac{4}{15}} = 1\frac{2}{5}\ :2\frac{4}{15} = \frac{7}{5}\ :\frac{34}{15} = \frac{7}{5} \cdot \frac{15}{34} =\]

\[= \frac{7 \cdot 5 \cdot 3}{5 \cdot 34} = \frac{21}{34}\]