The fraction 9/10 is equal to 90.00% when expressed as a percentage. This common fraction represents nine parts out of a total of ten parts, which is very close to a whole unit. It's a frequently used fraction in various contexts, from academic grading systems to statistical representations.
In everyday life, you might encounter 9/10 or 90% in different situations. For example, a student scoring 90% on a test has answered 9 out of 10 questions correctly. In weather forecasts, a 90% chance of rain suggests it's highly likely to rain. This fraction and its percentage equivalent are often used to express high probabilities, large majorities, or near-complete amounts in both formal and informal settings.