211. Сократите дробь: 1) 3/12; 2) 4/12; 3) 6/54; 4) 25/70; 5) 26/65; 6) 12/60.

1. \(\frac{3}{12}=\frac{3:3}{12:3}=\frac{1}{4}\).
2. \(\frac{4}{12}=\frac{4:4}{12:4}=\frac{1}{3}\).
3. \(\frac{6}{54}=\frac{6:6}{54:6}=\frac{1}{9}\).
4. \(\frac{25}{70}=\frac{25:5}{70:5}=\frac{5}{14}\).
5. \(\frac{26}{65}=\frac{26:13}{65:13}=\frac{2}{5}\).
6. \(\frac{12}{60}=\frac{12:12}{60:12}=\frac{1}{5}\).

Ответ: 1) 1/4; 2) 1/3; 3) 1/9; 4) 5/14; 5) 2/5; 6) 1/5.