1) 4/15 = 16/60, 6/8 = 45/60, 27/54 = 30/60, 3/5 = 36/60, 2/7 = 17/60. Порядок возрастания дробей: 17/60, 16/60, 30/60, 45/60, 36/60.
2) 3/20 = 9/60, 15/75 = 12/60, 7/80 = 7/80, 12/36 = 20/60, 13/40 = 39/120. Порядок возрастания дробей: 7/80, 9/60, 12/60, 20/60, 39/120.
1) 4/15 = 16/60, 6/8 = 45/60, 27/54 = 30/60, 3/5 = 36/60, 2/7 = 17/60. Порядок возрастания дробей: 17/60, 16/60, 30/60, 45/60, 36/60.
2) 3/20 = 9/60, 15/75 = 12/60, 7/80 = 7/80, 12/36 = 20/60, 13/40 = 39/120. Порядок возрастания дробей: 7/80, 9/60, 12/60, 20/60, 39/120.