7/38 as a percentage is 18.42%. This number tells you how much of a whole 7 parts out of 38 represent when you look at it on a scale of 100.
The fraction 7/38 is a little less than one fifth, because one fifth would be 20%. Seeing it as 18.42% makes it easier to compare with other percentages you might encounter, like grades or interest rates.
Whenever you need a quick sense of size, turning the fraction into a percentage helps. Just remember that 18.42% means roughly eighteen out of every hundred, which is a handy way to think about the portion.
