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Simplify 13:65
The simplified ratio of 13:65 is 1:5. Free ratio calculator with GCD breakdown.
1:5
GCD of 13 and 65 is 13. Simplified: 13/13 : 65/13 = 1:5
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 |
|---|---|
| 13 / 60 | 13:60 |
| 13 / 63 | 13:63 |
| 13 / 64 | 13:64 |
| 13 / 66 | 13:66 |
| 13 / 67 | 13:67 |
| 13 / 70 | 13:70 |
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.