66/78 as a percentage is 84.62%. This value tells you how much of a whole the fraction represents when you look at it in terms of hundredths.
If you simplify the fraction, 66 ÷ 6 = 11 and 78 ÷ 6 = 13, so it reduces to 11/13. The simplified form makes it easier to see the size of the part compared to the whole.
In everyday situations, you might use this percentage to describe a score, a success rate, or any situation where you need to show how close something is to being complete. For example, if a student answers 66 out of 78 questions correctly, they have achieved 84.62% on the test.
Remember, percentages are just another way to talk about fractions. When you see 84.62%, you can quickly think of the original fraction 66/78 and understand the proportion it represents.
