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Ratio Calculator
This ratio calculator helps you reduce a ratio to its simplest form and find equivalent ratios for a scaled value. It is useful for school math, recipe scaling, maps, business proportions and everyday calculations.
Frequently Asked Questions
Find the greatest common divisor of both numbers and divide each number by it.
How this calculator works
Formula explanation
**Method:** Simplify the ratio by dividing both values by their greatest common divisor. To scale it, multiply the other side by the same factor.
Worked example
**Example:** 12:18 simplifies to 2:3. If A becomes 24, then B becomes 36.
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