To convert the decimal 0.125 into a fraction, we first recognize that it has three decimal places. This means that we can write it as:
0.125 = 125/1000
Next, we simplify the fraction. Both the numerator (125) and denominator (1000) can be divided by 125:
125 ÷ 125 = 1
1000 ÷ 125 = 8
This gives us:
0.125 = 1/8
Therefore, the fraction equivalent of 0.125 is 1/8.