Ratio Calculator

Enter two positive whole numbers to simplify the ratio to its lowest terms.

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How It Works

Both terms are divided by their greatest common divisor (GCD), the same technique used to simplify fractions.

Example

The ratio 8:12 simplifies to 2:3.

Frequently Asked Questions

Can I use decimals?
No, this calculator works with whole numbers. For decimal ratios, first scale both values up to whole numbers.