34/42 as a percentage is 80.95%. This number comes from the fraction when it’s expressed in a way that’s easy to compare with other values like grades or discounts.
The fraction 34/42 can be simplified to 17/21, which still represents the same part of a whole. Thinking of it as about four‑fifths helps you see why the percentage is close to 80%.
When you need to use this value in real life—like calculating a score, a share of a budget, or a probability—just remember the rounded figure 80.95%. It’s a quick way to understand how large the part is compared to the whole.
Overall, the fraction and its percentage give you two useful ways to talk about the same quantity, whether you’re working with numbers on a worksheet or discussing results in a meeting.
