55 divided by 80 equals 68.75%. This is the percentage that represents the fraction 55/80 when it is expressed as part of a whole.
The fraction 55/80 can be reduced to 11/16, which is the same value in a simpler form. Both versions show that the portion is a little more than two‑thirds of the whole.
In everyday use, a result of 68.75% might show up as a test score, a discount, or a success rate. It’s a handy figure to understand when you need a quick sense of how large a part of something you have.