30/42 as a percentage is 71.43%. This tells you that the fraction represents about seventy‑one and a half parts out of a hundred. It’s a quick way to see how large the portion is compared to a whole.
The fraction 30/42 can be reduced to its simplest form, 5/7. Both numbers share a common factor of 6, so dividing each by 6 gives the smaller fraction that is easier to work with in calculations.
In everyday life, you might use 71.43% when you need to describe a portion of a group, like saying that roughly seventy‑one percent of a class liked a new game. It’s a handy figure for quick estimates.
Remember that the percentage has been rounded to two decimal places, so the exact value is a little bit more precise, but 71.43% is accurate enough for most practical purposes.
