30/74 as a percentage is 40.54%. This number tells you how much of a whole 30 parts out of 74 represent when you think of the whole as 100 %. It’s a quick way to compare the fraction to other percentages you might see.
The fraction 30/74 can be simplified only a little, so keeping it as is works best for most everyday uses. When you see 40.54%, you know that the amount is a little less than half of the whole. This can help in budgeting, grading, or any situation where you need a clear picture of a part‑to‑whole relationship.
In practical terms, if you had 74 items and you took 30 of them, you would have taken about 40.54% of the total. Knowing the percentage makes it easy to communicate the size of the portion without having to write out the fraction each time.