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Simplify 45:12
The simplified ratio of 45:12 is 15:4. Free ratio calculator with GCD breakdown.
15:4
GCD of 45 and 12 is 3. Simplified: 45/3 : 12/3 = 15:4
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 |
|---|---|
| 45 / 7 | 45:7 |
| 45 / 10 | 9:2 |
| 45 / 11 | 45:11 |
| 45 / 13 | 45:13 |
| 45 / 14 | 45:14 |
| 45 / 17 | 45:17 |
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.