45/87 expressed as a percentage is 51.72%. This tells you that the fraction is just over half of a whole.
The fraction 45/87 can be reduced to its simplest form, which helps you see the relationship between the two numbers more clearly. Even without reducing, it shows a part of a total that is close to 50%.
In everyday situations, a value like 51.72% might represent a score on a test, a portion of a budget, or the chance of something happening. Knowing the percentage makes it easy to compare with other numbers that are already in percent form.
Remember, percentages are a quick way to understand how big a part is compared to the whole, and 51.72% gives you that picture for 45/87.