30/42 as a percentage is 71.43%. This fraction shows up in everyday situations, like figuring out a portion of a group or a slice of a pie. When you see 30 out of 42 items, you can think of it as roughly seventy‑one percent of the whole.
The fraction 30/42 can be reduced to 5/7, which is a simpler way to understand the same value. Even though the numbers are smaller, the proportion stays the same, so the percentage doesn’t change. It’s handy to know both forms when you’re comparing parts of a set.
Knowing that 30/42 equals 71.43% helps you quickly estimate how big a piece is in real life. Whether you’re looking at test scores, budget allocations, or sports statistics, that percentage gives a clear picture of the share represented by the fraction.
