1 целая 3/7 2 4/5 3/4 = 1 + 12/35 2 4/5 3/4 = 1 + 24/35 12/20 3/4 = 1 + 6/35 * 3/5 = 1 + 18/175 = 1 18/175
1 целая 3/7 2 4/5 3/4 = 1 + 12/35 2 4/5 3/4 = 1 + 24/35 12/20 3/4 = 1 + 6/35 * 3/5 = 1 + 18/175 = 1 18/175