A fraction calculator reduces a fraction to lowest terms using the greatest common divisor. Students and cooks search fraction calculator and simplify fraction when 24/36 needs to become 2/3.
The Formula Behind the Fraction Calculator
Divide numerator and denominator by gcd(|n|, |d|).
When This Calculator Helps
Homework checks, recipe scaling prep, and ratio cleanup before converting to decimals.
Using the Calculator
- Enter the values labeled in the tool above.
- Read the result cards — they update as you type.
- Cross-check one example by hand using the formula in this section.
- Open a related calculator below if your question needs a different formula.
Mistakes to Avoid
- Denominator of zero
- Expecting mixed-number formatting in this simple tool
Getting the Most Out of It
- Use Ratio Calculator to scale parts
- Use Percentage Calculator for percent forms
More Calculators to Try
Where the Estimate Falls Short
Results are estimates for learning and planning. They are not loan offers, tax filings, payroll determinations, or professional advice. Review our disclaimer.