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Simplify 155:45
The simplified ratio of 155:45 is 31:9. Free ratio calculator with GCD breakdown.
31:9
GCD of 155 and 45 is 5. Simplified: 155/5 : 45/5 = 31:9
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 |
|---|---|
| 155 / 40 | 31:8 |
| 155 / 43 | 155:43 |
| 155 / 44 | 155:44 |
| 155 / 46 | 155:46 |
| 155 / 47 | 155:47 |
| 155 / 50 | 31:10 |
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.