Сократите дробь (6—9). 6. a) \(\frac{6}{12}\); б) \(\frac{7}{14}\); в) \(\frac{5}{25}\); г) \(\frac{2}{18}\). 7. a) \(\frac{15}{27}\); б) \(\frac{14}{21}\); в) \(\frac{30}{130}\); г) \(\frac{15}{40}\). 8. a) \(\frac{15}{60}\); б) \(\frac{100}{300}\); в) \(\frac{12}{48}\); г) \(\frac{13}{39}\). 9. a) \(\frac{22}{33}\); б) \(\frac{26}{39}\); в) \(\frac{19}{38}\); г) \(\frac{23}{46}\).

Сократим дроби:

6. a) \(\frac{6}{12} = \frac{6:6}{12:6} = \frac{1}{2}\)

б) \(\frac{7}{14} = \frac{7:7}{14:7} = \frac{1}{2}\)

в) \(\frac{5}{25} = \frac{5:5}{25:5} = \frac{1}{5}\)

г) \(\frac{2}{18} = \frac{2:2}{18:2} = \frac{1}{9}\)

7. a) \(\frac{15}{27} = \frac{15:3}{27:3} = \frac{5}{9}\)

б) \(\frac{14}{21} = \frac{14:7}{21:7} = \frac{2}{3}\)

в) \(\frac{30}{130} = \frac{30:10}{130:10} = \frac{3}{13}\)

г) \(\frac{15}{40} = \frac{15:5}{40:5} = \frac{3}{8}\)

8. a) \(\frac{15}{60} = \frac{15:15}{60:15} = \frac{1}{4}\)

б) \(\frac{100}{300} = \frac{100:100}{300:100} = \frac{1}{3}\)

в) \(\frac{12}{48} = \frac{12:12}{48:12} = \frac{1}{4}\)

г) \(\frac{13}{39} = \frac{13:13}{39:13} = \frac{1}{3}\)

9. a) \(\frac{22}{33} = \frac{22:11}{33:11} = \frac{2}{3}\)

б) \(\frac{26}{39} = \frac{26:13}{39:13} = \frac{2}{3}\)

в) \(\frac{19}{38} = \frac{19:19}{38:19} = \frac{1}{2}\)

г) \(\frac{23}{46} = \frac{23:23}{46:23} = \frac{1}{2}\)

Ответ: 6. a) \(\frac{1}{2}\); б) \(\frac{1}{2}\); в) \(\frac{1}{5}\); г) \(\frac{1}{9}\). 7. a) \(\frac{5}{9}\); б) \(\frac{2}{3}\); в) \(\frac{3}{13}\); г) \(\frac{3}{8}\). 8. a) \(\frac{1}{4}\); б) \(\frac{1}{3}\); в) \(\frac{1}{4}\); г) \(\frac{1}{3}\). 9. a) \(\frac{2}{3}\); б) \(\frac{2}{3}\); в) \(\frac{1}{2}\); г) \(\frac{1}{2}\).