The fraction "15/100" represents a part of a whole, where 15 is the numerator and 100 is the denominator. This means that out of 100 equal parts, 15 parts are being considered. It can also be expressed as a percentage, which is 15%, indicating that 15 out of every 100 units are included. In practical terms, "15/100" can be used in various contexts, such as calculating discounts, statistics, or probabilities. For example, if a store offers a 15% discount on a product that costs $100, the discount amount would be $15, making the final price $85.