What is 21/43 as a percentage? It is 48.84%. This number tells you how much of a whole 21 parts out of 43 represent.
The fraction 21/43 is a little less than one‑half. Because the numerator (21) is just under half of the denominator (43), the percentage ends up just below 50 %. It’s a simple way to see that the fraction is close to a half but not quite there.
You might see 21/43 in everyday contexts like a quiz score or a portion of a budget. Saying 48.84% makes it easier for most people to understand the size of the part compared to the whole, especially when dealing with percentages in reports or charts.