Ответ:
- \(\frac{3}{12}=\frac{3\div3}{12\div3}=\frac{1}{4}\).
- \(\frac{18}{54}=\frac{18\div18}{54\div18}=\frac{1}{3}\).
- \(\frac{11}{88}=\frac{11\div11}{88\div11}=\frac{1}{8}\).
Ответ: \(\frac{1}{4};\ \frac{1}{3};\ \frac{1}{8}\).
Ответ: \(\frac{1}{4};\ \frac{1}{3};\ \frac{1}{8}\).