Answer:
See below for answers
Step-by-step explanation:
12/15=4/5
8/10=4/5
18/27=2/3
6/9=2/3
8/12=2/3
12/18=2/3
9/15=3/5
10/25=2/5
4/5, 4/5, 2/3, 2/3, 2/3, 2/3, 3/5, 2/5