2. −4/5 − 2,7 · (−2 1/3).

\(-\frac{4}{5}-2,7\cdot\left(-2\frac{1}{3}\right)=-\frac{4}{5}-\frac{27}{10}\cdot\left(-\frac{7}{3}\right)=-\frac{4}{5}+\frac{63}{10}\).

\(-\frac{8}{10}+\frac{63}{10}=\frac{55}{10}=\frac{11}{2}=5\frac{1}{2}\).

Ответ: 5 1/2.