59. Выполните умножение: 1) 4/9 · 3/32; 2) 5/9 · 7/8; 3) 27/56 · 56/45; 4) 45/64 · 40/63.

1. \(\frac{4}{9}\cdot\frac{3}{32}=\frac{1}{24}\).
2. \(\frac{5}{9}\cdot\frac{7}{8}=\frac{35}{72}\).
3. \(\frac{27}{56}\cdot\frac{56}{45}=\frac{27}{45}=\frac{3}{5}\).
4. \(\frac{45}{64}\cdot\frac{40}{63}=\frac{5}{8}\cdot\frac{5}{7}=\frac{25}{56}\).

Ответ: 1) \(\frac{1}{24}\); 2) \(\frac{35}{72}\); 3) \(\frac{3}{5}\); 4) \(\frac{25}{56}\).