227. Сократите (буквами обозначены натуральные числа): 1) 6a/(18a); 2) 32b/60; 3) 96c/(72c); 4) 45/(9d); 5) 39mn/(91mn); 6) 95ab/(38bc).

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

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