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Simplify 180:45
The simplified ratio of 180:45 is 4:1. Free ratio calculator with GCD breakdown.
4:1
GCD of 180 and 45 is 45. Simplified: 180/45 : 45/45 = 4:1
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 / 40 | 9:2 |
| 180 / 43 | 180:43 |
| 180 / 44 | 45:11 |
| 180 / 46 | 90:23 |
| 180 / 47 | 180:47 |
| 180 / 50 | 18:5 |
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.