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Simplify 85:90
The simplified ratio of 85:90 is 17:18. Free ratio calculator with GCD breakdown.
17:18
GCD of 85 and 90 is 5. Simplified: 85/5 : 90/5 = 17:18
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 / 85 | 1:1 |
| 85 / 88 | 85:88 |
| 85 / 89 | 85:89 |
| 85 / 91 | 85:91 |
| 85 / 92 | 85:92 |
| 85 / 95 | 17:19 |
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.