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 percent of the whole. It's a common fraction that comes up in various real-world situations, from test scores to statistics.
You might encounter 42/100 or 42% in everyday life more often than you'd think. For example, if 42 out of 100 people prefer a certain product, that's 42% of the group. Or if you score 42 points on a 100-point test, you've achieved 42% of the possible score. This fraction and its percentage equivalent are useful for comparing parts to wholes and understanding proportions in many different contexts.