To convert the decimal number 875 as a fraction, follow these steps:

Step 1: Write down the decimal number as the numerator. In this case, the numerator is 875.

Step 2: Determine the denominator. The denominator is based on the number of decimal places. Since there are three decimal places in 875, the denominator is 1000 (10 raised to the power of 3).

Step 3: Simplify the fraction. To simplify, divide both the numerator and denominator by their greatest common factor (GCF). In this case, the GCF of 875 and 1000 is 125. Divide both the numerator and denominator by 125 to get the simplified fraction of 7/8.

Therefore, 875 can be converted to the fraction 7/8.