Ответ:
\(1\frac{1}{5}=\frac{6}{5}\), \(1\frac{1}{15}=\frac{16}{15}\).
\(\frac{2}{3}-\frac{16}{15}=\frac{10-16}{15}=-\frac{6}{15}=-\frac{2}{5}\).
\(\frac{6}{5}:\left(-\frac{2}{5}\right)=-3\).
Ответ: \(-3\).
\(1\frac{1}{5}=\frac{6}{5}\), \(1\frac{1}{15}=\frac{16}{15}\).
\(\frac{2}{3}-\frac{16}{15}=\frac{10-16}{15}=-\frac{6}{15}=-\frac{2}{5}\).
\(\frac{6}{5}:\left(-\frac{2}{5}\right)=-3\).
Ответ: \(-3\).