The fraction "15/2" represents a division of 15 by 2. In simpler terms, it means that if you have 15 items and you want to divide them into 2 equal groups, each group would contain 7.5 items. This fraction can also be expressed as a mixed number, which is 7 and 1/2. In decimal form, "15/2" equals 7.5. This means that if you were to perform the division, you would find that 15 divided by 2 results in 7.5. Fractions like "15/2" are commonly used in mathematics to represent parts of a whole or to describe ratios.