а) (4/7) / (5/9) = (4/7) * (9/5) = 36/35
б) (3/8) / (15/24) = (3/8) * (24/15) = 72/120 = 3/5
в) (7 целых 11/12) / (3 целых 1/6) = (95/12) / (19/6) = (95/12) * (6/19) = 30/19
г) 48 целых / (6/3) = 48 * 3/6 = 144/6 = 24
а) (4/7) / (5/9) = (4/7) * (9/5) = 36/35
б) (3/8) / (15/24) = (3/8) * (24/15) = 72/120 = 3/5
в) (7 целых 11/12) / (3 целых 1/6) = (95/12) / (19/6) = (95/12) * (6/19) = 30/19
г) 48 целых / (6/3) = 48 * 3/6 = 144/6 = 24