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Simplify 85:20
The simplified ratio of 85:20 is 17:4. Free ratio calculator with GCD breakdown.
17:4
GCD of 85 and 20 is 5. Simplified: 85/5 : 20/5 = 17:4
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 |
|---|---|
| 85 / 15 | 17:3 |
| 85 / 18 | 85:18 |
| 85 / 19 | 85:19 |
| 85 / 21 | 85:21 |
| 85 / 22 | 85:22 |
| 85 / 25 | 17:5 |
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.