4 over 8 and 2 over 4
They are: 14/16 and 21/24
They are: 16/18 and 24/27
16 over 18 and 24 over 27
3 over 4 and 12 over 16
2 over 8 and 4 over 16
3/8 and 12/32
6/8 and 3/4
1/2, 2/4
8/10 16/20
160/180 and 1600000000/1800000000
16/18, 24/27
14/16, 21/24