16/21:20/49,45:18/25,15/16:24

Question

16/21:20/49,45:18/25,15/16:24

Answer 1

16/21 : 20/49 = 16*49 : 21*20 = 28:15
45 : 18/25 = 45*25 : 18 = 75/2
15/16 : 24 = 15 : 16*24 = 5/128

Answer 2

16/21:20/49=28/15=1 13/15
45:18/25=375/6=62 3/6
15/16:24=5/128