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Ratio Simplifier

Reduce a two-integer ratio using an exact greatest common divisor.

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Reduce a two-integer ratio online

Reduce an integer ratio before using it in a report. This uses exact integer arithmetic; it does not approximate decimal ratios.

How to use it

Enter Ratio or select Try example. Review the displayed input. Select Calculate and inspect the result before copying or downloading.

Worked examples

Reduce an integer ratio before using it in a report.

Worked example — Ratio Simplifier

Settings: No additional options

Input:

12:18

Output:

2:3

Limitations and common mistakes

  • This uses exact integer arithmetic; it does not approximate decimal ratios.

Frequently asked questions

How can I reduce a two-integer ratio online?

Enter Ratio or select Try example. Review the displayed input. Select Calculate and inspect the result before copying or downloading.

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.

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