66/90 as a percentage is 73.33%. This value tells you how much of a whole 66 parts out of 90 represent when expressed in percent form.
The fraction 66/90 can be simplified to 11/15, which still represents the same part of a whole. Working with the simpler form can make it easier to compare with other fractions.
In everyday situations, you might see this percentage when looking at scores, test results, or any situation where 66 out of 90 items are counted as correct or successful.
Remember, 73.33% is just a quick way to see the proportion without dealing with the original numbers directly.