18/48 = 37.5%
A value like 18/48, or 37.5%, can show up in everyday situations such as getting 18 correct answers out of 48 questions or filling 18 seats in a 48-seat room. It can also describe progress, like completing 18 of 48 tasks on a project.
To picture 37.5% quickly, think of a little more than one-third but less than one-half. It is also close to three-eighths, so you could imagine splitting something into eight equal parts and shading about three of them.
A common mistake is treating 37.5% as if it were 37.5 rather than a portion of a whole. Remember that the percent describes how much of the total 48 is represented by 18, so the same fraction may look different when the total changes.