The fraction 42/100 is equal to 42.00% when expressed as a percentage. This means that if you have 42 parts out of a total of 100, you're dealing with 42% of the whole. It's a common fraction that comes up in various everyday situations, from test scores to statistics.
You might encounter 42/100 or 42% in different contexts. For example, if 42 out of 100 people prefer a certain product, that's a 42% preference rate. In academic settings, scoring 42 out of 100 on a test would be equivalent to getting 42% correct. This fraction and its percentage form are useful for comparing parts to wholes and understanding proportions in many areas of life.