Convert 10.5% to a Fraction with Denominator 100: Step-by-Step

To solve this problem, we need to convert the percentage 10.5% into a fraction with a denominator of 100. We proceed as follows:

Step 1: Recognize that the formula for converting a percentage to a fraction involves placing the percentage number over 100. This is because a percentage is already a number out of 100.

Step 2: Apply the formula to convert 10.5% into a fraction:
We write 10.5% as $\frac{10.5}{100}$.

Step 3: Verify the result: The fraction $\frac{10.5}{100}$ indeed has a denominator of 100, meeting the requirements specified in the problem.

Therefore, the percentage 10.5% expressed as a fraction with a denominator of 100 is $\frac{10.5}{100}$.