2) Вычислите: \(\left(\frac{2}{3}-\frac{4}{9}\right)\cdot\frac{3}{8}\).

\[\left(\frac{2}{3}-\frac{4}{9}\right)\cdot\frac{3}{8}=\left(\frac{6}{9}-\frac{4}{9}\right)\cdot\frac{3}{8}=\frac{2}{9}\cdot\frac{3}{8}=\frac{1}{12}.\]

Ответ: \(\frac{1}{12}\).