55/82 as a percentage is 67.07%. This value gives a quick sense of how large the fraction is compared to a whole.
The fraction 55/82 can also be thought of as a part of 82 equal pieces, where 55 pieces are taken. Seeing it as 67.07% helps you compare it easily with other percentages you might encounter in everyday situations.
In practical terms, if you had 82 items and kept 55 of them, you would have kept about two‑thirds of the total. The percentage makes that proportion clear without having to work with the fraction directly.