1. Сравните дроби: 1) \(\frac{7}{9}\) и \(\frac{4}{9}\); 2) \(\frac{29}{45}\) и \(\frac{31}{45}\); 3) \(\frac{15}{31}\) и \(\frac{9}{31}\); 4) \(\frac{12}{19}\) и \(\frac{11}{19}\)

1. Сравнение дробей с одинаковыми знаменателями: 1) \(\frac{7}{9} > \frac{4}{9}\) (т.к. 7 > 4) 2) \(\frac{29}{45} < \frac{31}{45}\) (т.к. 29 < 31) 3) \(\frac{15}{31} > \(\frac{9}{31}\) (т.к. 15 > 9) 4) \(\frac{12}{19} > \frac{11}{19}\) (т.к. 12 > 11)