45 divided by 87 expressed as a percentage is 51.72%. This value shows how much of a whole the fraction represents when turned into a percent form, rounded to two decimal places.
The fraction 45/87 can be simplified, but the percentage stays the same. It tells you that a little more than half of the whole is covered by the numerator.
When you need a quick reference, just remember that 45/87 equals about 51.72%. This makes it easy to compare with other percentages or to use in everyday calculations.