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Simplify 221:85
The simplified ratio of 221:85 is 13:5. Free ratio calculator with GCD breakdown.
13:5
GCD of 221 and 85 is 17. Simplified: 221/17 : 85/17 = 13:5
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 |
|---|---|
| 221 / 80 | 221:80 |
| 221 / 83 | 221:83 |
| 221 / 84 | 221:84 |
| 221 / 86 | 221:86 |
| 221 / 87 | 221:87 |
| 221 / 90 | 221:90 |
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.