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Fraction Simplifier

Reduce a fraction to its lowest terms and as a decimal.

Calculated locally in your browser.

Understanding your result

A fraction is in lowest terms when the numerator and denominator share no common factor other than 1.

Formula and method

Both numbers are divided by their greatest common divisor (GCD) to reach lowest terms.

Worked example

8/12 simplifies to 2/3, which is 0.667 or about 66.7%.

How to use this tool

  1. Enter the numerator and denominator.
  2. Read the simplified fraction.

Common mistakes to avoid

  • Entering 0 as the denominator (undefined).

About the Fraction Simplifier

Reduce a fraction to its simplest form and see the equivalent decimal and percentage.

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Frequently asked questions

Can it handle improper fractions?

Yes. It also shows the mixed-number form where relevant.