What is 36/80 as a percentage? 45.00%. This is the rounded value you would see on a report card, a sales chart, or any simple calculation that needs a percent.
The fraction 36/80 can be reduced to 9/20, which still represents the same part of a whole. Seeing it as a percent makes it easier to compare with other numbers that are already expressed in percentages.
In everyday life, 45.00% might show up as a test score, a discount, or a portion of a budget. Knowing that 36 out of 80 equals this percent helps you quickly understand how large or small the share is without doing more math.