Ответ:
- \(\frac{30}{40}=\frac{30:10}{40:10}=\frac{3}{4}\).
- \(\frac{70}{15}=\frac{70:5}{15:5}=\frac{14}{3}\).
- \(\frac{125}{135}=\frac{125:5}{135:5}=\frac{25}{27}\).
- \(\frac{124}{240}=\frac{124:4}{240:4}=\frac{31}{60}\).
- \(\frac{254}{628}=\frac{254:2}{628:2}=\frac{127}{314}\).
Ответ: а) \(\frac{3}{4}\); б) \(\frac{14}{3}\); в) \(\frac{25}{27}\); г) \(\frac{31}{60}\); д) \(\frac{127}{314}\).
