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Simplify 65:80
The simplified ratio of 65:80 is 13:16. Free ratio calculator with GCD breakdown.
13:16
GCD of 65 and 80 is 5. Simplified: 65/5 : 80/5 = 13:16
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 |
|---|---|
| 65 / 75 | 13:15 |
| 65 / 78 | 5:6 |
| 65 / 79 | 65:79 |
| 65 / 81 | 65:81 |
| 65 / 82 | 65:82 |
| 65 / 85 | 13:17 |
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.