Сократить дроби: а) 35/30; б) 36/90; в) 24/210; г) 11/77.

1. \[\frac{35}{30}=\frac{35:5}{30:5}=\frac{7}{6}.\]
2. \[\frac{36}{90}=\frac{36:18}{90:18}=\frac{2}{5}.\]
3. \[\frac{24}{210}=\frac{24:6}{210:6}=\frac{4}{35}.\]
4. \[\frac{11}{77}=\frac{11:11}{77:11}=\frac{1}{7}.\]

Ответ: а) \(\frac{7}{6}\); б) \(\frac{2}{5}\); в) \(\frac{4}{35}\); г) \(\frac{1}{7}\).