Ответ:
\(\frac{7}{15}\cdot\frac{3}{4}=\frac{7}{20}\).
\(\frac{7}{20}:\frac{2}{3}=\frac{7}{20}\cdot\frac{3}{2}=\frac{21}{40}\).
Ответ: \(\frac{21}{40}\)
\(\frac{7}{15}\cdot\frac{3}{4}=\frac{7}{20}\).
\(\frac{7}{20}:\frac{2}{3}=\frac{7}{20}\cdot\frac{3}{2}=\frac{21}{40}\).
Ответ: \(\frac{21}{40}\)