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Simplify 685:13
The simplified ratio of 685:13 is 685:13. Free ratio calculator with GCD breakdown.
685:13
GCD of 685 and 13 is 1. Simplified: 685/1 : 13/1 = 685:13
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 |
|---|---|
| 685 / 8 | 685:8 |
| 685 / 11 | 685:11 |
| 685 / 12 | 685:12 |
| 685 / 14 | 685:14 |
| 685 / 15 | 137:3 |
| 685 / 18 | 685:18 |
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.