1 12/17 : 3 = (1 + 12/17) / 3 = (17/17 + 12/17) / 3 = 29/17 / 3 = 29/17 * 1/3 = 29/51
2 1/2 : 24 = (2 + 1/2) / 24 = (4/2 + 1/2) / 24 = 5/2 / 24 = 5/2 * 1/24 = 5/48
1 12/17 : 3 = (1 + 12/17) / 3 = (17/17 + 12/17) / 3 = 29/17 / 3 = 29/17 * 1/3 = 29/51
2 1/2 : 24 = (2 + 1/2) / 24 = (4/2 + 1/2) / 24 = 5/2 / 24 = 5/2 * 1/24 = 5/48