Question

18/30 и 15/18, 49/105 и 27/36, 10/20,8/24 и 9/45

Answer 1

18/30=3/5
15/18=5/6

49/105=7/15
27/36=3/4

10/20=1/2
8/24=1/3
9/45=1/5

Answer 2

18/30 и 15/18  = 3/5 и  5/6
49/105 = 7/15 и 27/36 = 3/4
10/20 = 1/2 и  8/24 = 1/3 и 9/45 = 1/5