48/91 as a percentage is 52.75%. This tells you that the fraction is just over half when you look at it in everyday terms.
The fraction 48/91 can be thought of as 48 parts out of a total of 91 equal parts. When you compare those parts to the whole, you end up with a little more than five‑tens of a percent, which is why the number shows up as a little above 50 %.
In practical use, saying 52.75% is often clearer than writing the fraction, especially when you need to compare it with other percentages, like scores or statistics. It gives a quick sense of size without doing any extra math.
If you ever need to write it down again, just remember that 48 out of 91 translates directly to 52.75%, rounded to two decimal places.