Сравните дроби. 7/9 и 11/27,3/40 и 11/20,3/5 и 5/7,2/3 и 4/15,2/7 и 4/15,11/12 и 13/16,11/12 и 13/14,22/23 и 44/46

7/9 и 11/27. 7/9 = 21/27. 21/27 > 11/27, тогда 7/9 > 11/27. 3/40 и 11/20. 11/20 = 22/40. 3/40 < 22/40, тогда 3/40 < 11/20. 3/5 и 5/7. 3/5 = 21/35, 5/7 = 15/35. 21/35 > 15/35, тогда 3/5 > 5/7. 2/3 и 4/15. 2/3 = 10/15. 10/15 > 4/15, тогда 2/3 > 4/14. 2/7 и 4/15. 2/7 = 30/105, 4/15 = 28/105. 30/105 > 28/105, тогда 2/7 > 4/15. 11/12 и 13/16. 11/12 = 44/48, 13/16 = 39/48. 44/48 > 39/38, тогда 11/12 > 13/16. 11/12 и 13/14. 11/12 = 77/84, 13/14 = 78/84. 77/84 < 78/84, тогда 11/12 < 13/14. 22/23 и 44/46. 22/23 = 44/46. 22/23 = 44/46.