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Simplify 13:91
The simplified ratio of 13:91 is 1:7. Free ratio calculator with GCD breakdown.
1:7
GCD of 13 and 91 is 13. Simplified: 13/13 : 91/13 = 1:7
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 / 86 | 13:86 |
| 13 / 89 | 13:89 |
| 13 / 90 | 13:90 |
| 13 / 92 | 13:92 |
| 13 / 93 | 13:93 |
| 13 / 96 | 13:96 |
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.