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Simplify 30:27
The simplified ratio of 30:27 is 10:9. Free ratio calculator with GCD breakdown.
10:9
GCD of 30 and 27 is 3. Simplified: 30/3 : 27/3 = 10:9
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 |
|---|---|
| 30 / 22 | 15:11 |
| 30 / 25 | 6:5 |
| 30 / 26 | 15:13 |
| 30 / 28 | 15:14 |
| 30 / 29 | 30:29 |
| 30 / 32 | 15:16 |
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.