6/9 just multiply both parts of the fraction by 3
Gosh, when I saw that my mind went blank
$300
3%=.03 of something
Find .03 of 10000
10000x.03=$300
5:9
You need to find the greatest common factor and divide each side by it.
In this case it is 10... 50/10 = 5 90/10 = 9
So 50:90 = 5:9
