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Simplify 204:85
The simplified ratio of 204:85 is 12:5. Free ratio calculator with GCD breakdown.
12:5
GCD of 204 and 85 is 17. Simplified: 204/17 : 85/17 = 12:5
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 |
|---|---|
| 204 / 80 | 51:20 |
| 204 / 83 | 204:83 |
| 204 / 84 | 17:7 |
| 204 / 86 | 102:43 |
| 204 / 87 | 68:29 |
| 204 / 90 | 34:15 |
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.