The fraction 80/100 is equal to 80.00% when expressed as a percentage. This means that if you have 80 out of 100 parts of something, you have 80 percent of the whole. It's a common fraction that comes up in various situations, like test scores or statistics.
You might see 80/100 or 80% used in everyday life. For example, if you got 80 questions right out of 100 on a quiz, you'd have a score of 80%. Or if 80 out of 100 people prefer one product over another, that's an 80% preference rate. This fraction and percentage are useful for comparing parts to wholes and understanding proportions in many different contexts.