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Simplify 165:20
The simplified ratio of 165:20 is 33:4. Free ratio calculator with GCD breakdown.
33:4
GCD of 165 and 20 is 5. Simplified: 165/5 : 20/5 = 33:4
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 |
|---|---|
| 165 / 15 | 11:1 |
| 165 / 18 | 55:6 |
| 165 / 19 | 165:19 |
| 165 / 21 | 55:7 |
| 165 / 22 | 15:2 |
| 165 / 25 | 33:5 |
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.