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Simplify 12:45
The simplified ratio of 12:45 is 4:15. Free ratio calculator with GCD breakdown.
4:15
GCD of 12 and 45 is 3. Simplified: 12/3 : 45/3 = 4:15
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 |
|---|---|
| 12 / 40 | 3:10 |
| 12 / 43 | 12:43 |
| 12 / 44 | 3:11 |
| 12 / 46 | 6:23 |
| 12 / 47 | 12:47 |
| 12 / 50 | 6:25 |
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.