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Simplify 12:18
The simplified ratio of 12:18 is 2:3. Free ratio calculator with GCD breakdown.
2:3
GCD of 12 and 18 is 6. Simplified: 12/6 : 18/6 = 2:3
How This Was Calculated
Simplification: Divide both terms by their GCD.A:B = (A/GCD) : (B/GCD)
Solving proportions: A/B = C/D — cross-multiply to find the missing value.
Scaling: Multiply both terms by the scale factor.
Quick Reference Table
| Input | Result |
|---|---|
| 12 / 13 | 12:13 |
| 12 / 16 | 3:4 |
| 12 / 17 | 12:17 |
| 12 / 19 | 12:19 |
| 12 / 20 | 3:5 |
| 12 / 23 | 12:23 |
Frequently Asked Questions
What is a ratio?
A ratio compares two quantities by division.
How do I simplify a ratio?
Divide both numbers by their greatest common divisor (GCD).
Can ratios have decimal values?
Yes, but simplified ratios are typically expressed as whole numbers.