Ratio Simplifier

Simplify ratios to their lowest terms. Free online ratio simplifier calculator for math, recipes, and proportions.

The Ratio Simplifier reduces any ratio to its simplest form by finding the greatest common divisor of all terms. Whether you're working with recipe proportions, scale models, statistical data, or mathematical problems, this calculator ensures your ratios are expressed in the clearest, most reduced form. Enter any ratio and get the simplified version instantly.

Common use cases

  • Simplifying recipe ingredient ratios
  • Reducing mathematical ratios for homework
  • Scale model calculations
  • Financial ratio analysis
  • Mixing proportions for crafts or chemicals

How to use

  1. Enter the first number of your ratio
  2. Enter the second number (and third if needed)
  3. Click simplify to reduce the ratio
  4. View the simplified ratio result
  5. See the common factor used for simplification

FAQ

How do you simplify a ratio?

Find the greatest common divisor (GCD) of all numbers and divide each by it. For 12:8, the GCD is 4, giving 3:2.

Can I simplify ratios with more than two numbers?

Yes, the same process applies. Find the GCD of all numbers and divide each by it.

What if my ratio has decimals?

Convert decimals to whole numbers first by multiplying all parts by the same factor, then simplify.

Why simplify ratios?

Simplified ratios are easier to understand, compare, and use in calculations.