[header] How to classify fractions [title] Point out a proper fraction. [step] In any proper fraction, the numerator is less than the denominator. [substeps] Example : 2/5 every proper fraction expresses a value that is less than 1. 
A proper fraction represents a partial portion of a whole. For example, if there are five books and you read two of them, you have read two out of five books, or two-fifths.