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Simplify 40:66
The simplified ratio of 40:66 is 20:33. Free ratio calculator with GCD breakdown.
20:33
GCD of 40 and 66 is 2. Simplified: 40/2 : 66/2 = 20:33
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 |
|---|---|
| 40 / 61 | 40:61 |
| 40 / 64 | 5:8 |
| 40 / 65 | 8:13 |
| 40 / 67 | 40:67 |
| 40 / 68 | 10:17 |
| 40 / 71 | 40:71 |
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.