1) (15/14) (7/12) = 105/168 = 15/24 = 5/82) (4/9) (27/16) = 108/144 = 3/43) (45/34) * (17/15) = 765/510 = 153/102 = 51/34
1) (15/14) (7/12) = 105/168 = 15/24 = 5/8
2) (4/9) (27/16) = 108/144 = 3/4
3) (45/34) * (17/15) = 765/510 = 153/102 = 51/34