45/99 as a percentage is 45.45%. This rounded figure tells you that the fraction is just under half of a whole. It’s a quick way to see how large the part is compared to the entire amount.
The fraction 45/99 can be simplified to 5/11, which still represents the same value. Whether you write it as a fraction or a percentage, it stays the same size relative to the whole.
In everyday use, you might see this percentage on a test score, a discount, or a statistic. Knowing that 45.45% is the same as 45 out of 99 helps you compare it easily to other numbers.