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Simplify 128:40
The simplified ratio of 128:40 is 16:5. Free ratio calculator with GCD breakdown.
16:5
GCD of 128 and 40 is 8. Simplified: 128/8 : 40/8 = 16:5
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 / 35 | 128:35 |
| 128 / 38 | 64:19 |
| 128 / 39 | 128:39 |
| 128 / 41 | 128:41 |
| 128 / 42 | 64:21 |
| 128 / 45 | 128:45 |
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.