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Simplify 324:21
The simplified ratio of 324:21 is 108:7. Free ratio calculator with GCD breakdown.
108:7
GCD of 324 and 21 is 3. Simplified: 324/3 : 21/3 = 108:7
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 |
|---|---|
| 324 / 16 | 81:4 |
| 324 / 19 | 324:19 |
| 324 / 20 | 81:5 |
| 324 / 22 | 162:11 |
| 324 / 23 | 324:23 |
| 324 / 26 | 162:13 |
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.