1) (5/8) (4/15) = 20/120 = 1/6ab2) (6 3/4) (1 11/45) = (27/4) (56/45) = 1512/180 = 42/5xy3) (13/24) 32c = (1/24) (32 13)c = 416/24c = 104/6c = 52/3c4) (55/3) (89/11) (9/13) = 17145/429 = 115/3abc.
1) (5/8) (4/15) = 20/120 = 1/6ab
2) (6 3/4) (1 11/45) = (27/4) (56/45) = 1512/180 = 42/5xy
3) (13/24) 32c = (1/24) (32 13)c = 416/24c = 104/6c = 52/3c
4) (55/3) (89/11) (9/13) = 17145/429 = 115/3abc.