Сократи дробь: А) а) 2/8; б) 8/40; в) 10/12; г) 7/28; д) 6/12.

1. \(\frac{2}{8}=\frac{2\div2}{8\div2}=\frac{1}{4}\).
2. \(\frac{8}{40}=\frac{8\div8}{40\div8}=\frac{1}{5}\).
3. \(\frac{10}{12}=\frac{10\div2}{12\div2}=\frac{5}{6}\).
4. \(\frac{7}{28}=\frac{7\div7}{28\div7}=\frac{1}{4}\).
5. \(\frac{6}{12}=\frac{6\div6}{12\div6}=\frac{1}{2}\).

Ответ: а) \(\frac{1}{4}\); б) \(\frac{1}{5}\); в) \(\frac{5}{6}\); г) \(\frac{1}{4}\); д) \(\frac{1}{2}\).