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Simplify 216:15
The simplified ratio of 216:15 is 72:5. Free ratio calculator with GCD breakdown.
72:5
GCD of 216 and 15 is 3. Simplified: 216/3 : 15/3 = 72:5
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 |
|---|---|
| 216 / 10 | 108:5 |
| 216 / 13 | 216:13 |
| 216 / 14 | 108:7 |
| 216 / 16 | 27:2 |
| 216 / 17 | 216:17 |
| 216 / 20 | 54:5 |
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.