15/27 as a percentage is 55.56%. This is the rounded value you get when you compare the part 15 to the whole 27.
The fraction 15/27 can be reduced to 5/9, which still represents the same portion of a whole. Whether you write it as 15/27, 5/9, or 55.56%, the meaning stays the same.
In everyday situations, thinking in percentages can be handy. For example, if you have 27 items and 15 of them are red, about 55.56% of the items are red.
Remember, the percentage tells you how many hundredths of the whole you have, so 55.56% means a little more than half.
