27. Сократите дроби: а) 2/10; б) 8/12; в) 10/15; г) 10/20; д) 16/24; е) 8/6; ж) 22/55; з) 14/49; и) 25/10.

1. а) \(\frac{2}{10}=\frac{2:2}{10:2}=\frac{1}{5}\).
2. б) \(\frac{8}{12}=\frac{8:4}{12:4}=\frac{2}{3}\).
3. в) \(\frac{10}{15}=\frac{10:5}{15:5}=\frac{2}{3}\).
4. г) \(\frac{10}{20}=\frac{10:10}{20:10}=\frac{1}{2}\).
5. д) \(\frac{16}{24}=\frac{16:8}{24:8}=\frac{2}{3}\).
6. е) \(\frac{8}{6}=\frac{8:2}{6:2}=\frac{4}{3}\).
7. ж) \(\frac{22}{55}=\frac{22:11}{55:11}=\frac{2}{5}\).
8. з) \(\frac{14}{49}=\frac{14:7}{49:7}=\frac{2}{7}\).
9. и) \(\frac{25}{10}=\frac{25:5}{10:5}=\frac{5}{2}\).

Ответ: а) \(\frac{1}{5}\); б) \(\frac{2}{3}\); в) \(\frac{2}{3}\); г) \(\frac{1}{2}\); д) \(\frac{2}{3}\); е) \(\frac{4}{3}\); ж) \(\frac{2}{5}\); з) \(\frac{2}{7}\); и) \(\frac{5}{2}\).