To convert the decimal 0.375 into a fraction, we can start by recognizing that it has three decimal places. This means we can express it as:
0.375 = 375/1000
Next, we need to simplify the fraction. We can do this by finding the greatest common divisor (GCD) of 375 and 1000. In this case, the GCD is 125.
Now, we can divide both the numerator and the denominator by the GCD:
375 ÷ 125/1000 ÷ 125 = 3/8
Thus, 0.375 as a fraction in simplest form is 3/8.