How do you convert 0.125 to a fraction in simplest form?

To convert 0.125 to a fraction, we can follow these steps:

1. Recognize that 0.125 means 125 thousandths, which can be represented as the fraction 125/1000.
2. Now, we need to simplify this fraction by finding the greatest common divisor (GCD) of the numerator (125) and the denominator (1000).
3. The GCD of 125 and 1000 is 125.
4. Now, divide both the numerator and the denominator by their GCD:

Numerator: 125 ÷ 125 = 1
Denominator: 1000 ÷ 125 = 8

This gives us the fraction 1/8.

So, 0.125 in simplest form is 1/8.