0.125 is equal to which of the following fractions?

To determine which fraction is equivalent to the decimal 0.125, it is helpful to convert the decimal into a fraction. The decimal 0.125 can be expressed as 125/1000, since there are three decimal places. This fraction can then be simplified.

First, we simplify 125/1000 by finding the greatest common divisor (GCD), which is 125. Dividing both the numerator and the denominator by 125 results in 1/8. Thus, 0.125 simplifies to the fraction 1/8.

This confirms that the correct choice represents the equivalent fraction for the decimal 0.125.