Приведите смешанные числа
1) 7 1/2 = 7 9/18, 4 2/3 = 4 12/18, 5 1/6 = 5 3/18, 3 4/9 = 3 8/18, 2) 9 1/2 = 9 6/12,5 1/3 = 5 4/12, 6 3/4 = 6 9/12, 8 5/6 = 8 10/12, 3) 12 2/3 = 12 30/45, 7 3/5 = 7 27/45, 6 4/9 = 6 20/45, 4 2/15 = 4 6/45