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Simplify 128:64
The simplified ratio of 128:64 is 2:1. Free ratio calculator with GCD breakdown.
2:1
GCD of 128 and 64 is 64. Simplified: 128/64 : 64/64 = 2:1
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 |
|---|---|
| 128 / 59 | 128:59 |
| 128 / 62 | 64:31 |
| 128 / 63 | 128:63 |
| 128 / 65 | 128:65 |
| 128 / 66 | 64:33 |
| 128 / 69 | 128:69 |
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.