Ответ:

  1. \(\frac{6a}{18a}=\frac{1}{3}\).
  2. \(\frac{32b}{60}=\frac{8b}{15}\).
  3. \(\frac{96c}{72c}=\frac{4}{3}\).
  4. \(\frac{45}{9d}=\frac{5}{d}\).
  5. \(\frac{39mn}{91mn}=\frac{3}{7}\).
  6. \(\frac{95ab}{38bc}=\frac{5a}{2c}\).

Ответ: 1) \(\frac{1}{3}\); 2) \(\frac{8b}{15}\); 3) \(\frac{4}{3}\); 4) \(\frac{5}{d}\); 5) \(\frac{3}{7}\); 6) \(\frac{5a}{2c}\).