1. Сократить дробь: а) 4/6; б) 15/20; в) 21/35; г) 24/40; д) 45/120; е) 60/100; ж) 125/1000.

1. \(\frac{4}{6}=\frac{2}{3}\).
2. \(\frac{15}{20}=\frac{3}{4}\).
3. \(\frac{21}{35}=\frac{3}{5}\).
4. \(\frac{24}{40}=\frac{3}{5}\).
5. \(\frac{45}{120}=\frac{3}{8}\).
6. \(\frac{60}{100}=\frac{3}{5}\).
7. \(\frac{125}{1000}=\frac{1}{8}\).

Ответ: а) \(\frac{2}{3}\); б) \(\frac{3}{4}\); в) \(\frac{3}{5}\); г) \(\frac{3}{5}\); д) \(\frac{3}{8}\); е) \(\frac{3}{5}\); ж) \(\frac{1}{8}\).