1. Сократите: 2/4; 12/18; 14/8; 3/6; 12/15; 12/18; 15/20; 10/100; 15/45; 25/35.

1. \(\frac{2}{4}=\frac{1}{2}\).
2. \(\frac{12}{18}=\frac{2}{3}\).
3. \(\frac{14}{8}=\frac{7}{4}\).
4. \(\frac{3}{6}=\frac{1}{2}\).
5. \(\frac{12}{15}=\frac{4}{5}\).
6. \(\frac{12}{18}=\frac{2}{3}\).
7. \(\frac{15}{20}=\frac{3}{4}\).
8. \(\frac{10}{100}=\frac{1}{10}\).
9. \(\frac{15}{45}=\frac{1}{3}\).
10. \(\frac{25}{35}=\frac{5}{7}\).

Ответ: \(\frac12;\ \frac23;\ \frac74;\ \frac12;\ \frac45;\ \frac23;\ \frac34;\ \frac1{10};\ \frac13;\ \frac57\).