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Simplify a ratio
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Example
Example: 12 : 18 → 2 : 3
Maximum 1,000,000 characters.
How to use this result
Reduce a two-part integer ratio by dividing both sides by their greatest common divisor. Use it to express the same proportional relationship with smaller whole numbers.
Worked example
a: 12 b: 18
2:3
Limits and edge cases
The first value must be zero or positive and the second must be positive. Both must be safe integers; decimals and negative ratios are rejected. The tool preserves the order of the two sides and does not convert units.