Identify the place value of the last digit in the decimal (e.g., 0.75 has 2 decimal places → use 100)
Write the decimal as a fraction over a power of 10 (e.g., 0.75 = 75/100)
Reduce the fraction by dividing numerator and denominator by their greatest common divisor
If the decimal is repeating, let x equal the decimal, then use algebra to solve for x and convert to a fraction, then reduce