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Simplify 20:66
The simplified ratio of 20:66 is 10:33. Free ratio calculator with GCD breakdown.
10:33
GCD of 20 and 66 is 2. Simplified: 20/2 : 66/2 = 10:33
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 |
|---|---|
| 20 / 61 | 20:61 |
| 20 / 64 | 5:16 |
| 20 / 65 | 4:13 |
| 20 / 67 | 20:67 |
| 20 / 68 | 5:17 |
| 20 / 71 | 20:71 |
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.