5:15 = 1:3 (÷5)
4:24 = 1:6 (÷4)
12:36 = 1:3 (÷12)
15:30 = 1:2 (÷15)
25:75 = 1:3 (÷25)
14:36 = 7:18 (÷2)
5:125 = 1:25 (÷5)
3:12 = 1:4 (÷3)
8:32 = 1:4 (÷8)
11:22 = 1:2 (÷11)
12:48 = 1:4 (÷12)
20:210 = 2:21 (÷10)
18:72 = 1:4 (÷18)
30:200 = 3:20 (÷10)
7:35 = 1:5 (÷7)
9:27 = 1:3 (÷9)
8:64 = 1:8 (÷8)
16:30 = 8:15 (÷2)
150:250 = 3:5 (÷50)
25:45 = 5:9 (÷5)
