57/66 expressed as a percentage is 86.36%. This figure is rounded to the nearest two decimal places, giving a clear and concise representation of the fraction in everyday terms.
The fraction 57/66 can also be simplified to 19/22, which still represents the same value. Whether you keep it as a fraction or use the percentage, the proportion stays the same, showing a little more than four‑fifths of a whole.
In practical use, saying 86.36% is often easier than dealing with the fraction, especially when comparing it to other percentages or when you need a quick estimate in real‑world situations.