66/90 as a percentage is 73.33%. This means that if you split something into 90 equal parts and take 66 of those parts, you have about 73.33 % of the whole.
The fraction 66/90 can also be reduced to 11/15, but the percentage stays the same. Seeing the number as a percent makes it easier to compare with other values, like test scores or discounts.
In everyday situations, you might use this figure to estimate how much of a budget is used, how much of a recipe is prepared, or what portion of a class has completed a task. Remember, 73.33% is the quick way to express 66 out of 90 in percent form.
