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Simplify 180:9
The simplified ratio of 180:9 is 20:1. Free ratio calculator with GCD breakdown.
20:1
GCD of 180 and 9 is 9. Simplified: 180/9 : 9/9 = 20:1
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 |
|---|---|
| 180 / 4 | 45:1 |
| 180 / 7 | 180:7 |
| 180 / 8 | 45:2 |
| 180 / 10 | 18:1 |
| 180 / 11 | 180:11 |
| 180 / 14 | 90:7 |
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.