480/480 = 100%
The fraction 480/480 represents 100%, or a complete amount. You might see a value like this when all 480 students turn in a permission slip, every seat in a theater is filled, or a project is fully completed.
You can picture it as one whole pizza with every slice still included, or a progress bar filled from end to end. Since the top and bottom numbers are the same, you can quickly estimate that the fraction represents the entire amount.
A common mistake is thinking the large numbers make the fraction bigger than one whole. The numbers themselves do not matter as much as the fact that the numerator matches the denominator, meaning nothing is missing.