1) 5/8 4/15 = (5 4) / (8 * 15) = 20 / 120 = 1 / 6
2) 7/15 : 14/25 = (7/15) (25/14) = (7 25) / (15 * 14) = 175 / 210 = 5 / 6
3) 6 3/4 1 11/45 = (6 + 3/4) (1 + 11/45) = (24/4 + 3/4) (45/45 + 11/45) = (27/4) (56/45) = 1512 / 180 = 84 / 10 = 8 4/10 = 8 2/5
1) 5/8 4/15 = (5 4) / (8 * 15) = 20 / 120 = 1 / 6
2) 7/15 : 14/25 = (7/15) (25/14) = (7 25) / (15 * 14) = 175 / 210 = 5 / 6
3) 6 3/4 1 11/45 = (6 + 3/4) (1 + 11/45) = (24/4 + 3/4) (45/45 + 11/45) = (27/4) (56/45) = 1512 / 180 = 84 / 10 = 8 4/10 = 8 2/5