42/66 as a percentage is 63.64%. This number shows how much of a whole the fraction represents when we look at it in terms of hundredths.
The fraction 42/66 can be simplified to 7/11, but the percentage stays the same. Seeing it as 63.64% makes it easier to compare with other values that are already in percent form.
When you work with percentages, you can quickly tell that 63.64% is a little more than half of a whole, which helps in everyday situations like grading, budgeting, or measuring portions.
