45 ÷ 87 expressed as a percentage is 51.72%. This means that the fraction 45/87 is just over half of a whole when you look at it in everyday terms.
The fraction itself can be reduced to 15/29, which still represents the same value. Whether you write it as a fraction or a percentage, the size of the part stays the same.
Seeing the number as a percentage makes it easier to compare with other values, like test scores or discounts. It tells you quickly that the amount is a little more than fifty percent of the total.
