I learned this trick months ago.
Step-by-step explanation:
ratios are kinda like fractions
5/15 could be used as 2/6 if you criss cross it 5x6=30 and 15x2=30
Here are a list of fractions (just turn them into ratios) that would work
1/3 1:3
2/6 2:6
3/9 3:9
4/12 4:12
5/15 5:15
6/18 6:18
7/21 7:21
8/24 8:24
9/27 9:27
10/30 10:30
Answer:
1:3
Step-by-step explanation:
uh simplify it to see which one is the lowest