70/84 as a percentage is 83.33%. This value tells you that the fraction is a little over four‑fifths of a whole. It’s a quick way to see the size of the fraction without doing long division.
If you simplify 70/84, you get the simpler fraction 5/6. That reduced form still represents the same amount, just in a cleaner shape. Whether you write it as 5/6 or see it as 83.33%, the meaning stays the same.
Knowing the percentage is handy for everyday situations. For example, if you scored 70 out of 84 points on a test, you actually earned about 83.33% of the total points, which is often how grades are reported. This makes it easy to compare your performance with other scores that are already shown as percentages.