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Simplify 66:55
The simplified ratio of 66:55 is 6:5. Free ratio calculator with GCD breakdown.
6:5
GCD of 66 and 55 is 11. Simplified: 66/11 : 55/11 = 6:5
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 |
|---|---|
| 66 / 50 | 33:25 |
| 66 / 53 | 66:53 |
| 66 / 54 | 11:9 |
| 66 / 56 | 33:28 |
| 66 / 57 | 22:19 |
| 66 / 60 | 11:10 |
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.