55/66 as a percentage is 83.33%. This means that if you split something into 66 equal parts and take 55 of them, you have about 83 out of every 100 parts.
The fraction 55/66 can be reduced to 5/6, which is a common way to think about it. Both fractions represent the same size, just written with different numbers.
Knowing that 83.33% is the percentage helps when you need to compare this value to other percentages, like test scores or discounts. It’s a handy number to remember for quick mental math.