Convert 12.5% to a fraction in simplest form.

To convert 12.5% to a fraction, you start by expressing the percentage as a fraction out of 100. This means 12.5% can be written as 12.5/100.

Next, to eliminate the decimal, you can multiply both the numerator and the denominator by 10. Doing this gives you 125/1000.

Now, to simplify the fraction, you need to find the greatest common divisor of 125 and 1000, which is 125. By dividing both the numerator and denominator by 125, you obtain 1/8.

Thus, the simplest form of 12.5% as a fraction is 1/8, making it the correct choice. This process of converting percentages to fractions and simplifying is a key skill in mathematics, illustrating the relationship between different forms of numerical representation.