The fraction 45/100 is equal to 45.00% when expressed as a percentage. This means that if you have 45 out of 100 parts of something, you have 45 percent of the whole. It's a common fraction that comes up in various everyday situations, like test scores or statistics.
You might see 45/100 or 45.00% used in different contexts. For example, if 45 out of 100 students passed a test, you could say the pass rate was 45/100 or 45.00%. This percentage is less than half, so it represents a minority in most cases. Whether it's considered good or bad depends on the specific situation and expectations.