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Simplify 30:87
The simplified ratio of 30:87 is 10:29. Free ratio calculator with GCD breakdown.
10:29
GCD of 30 and 87 is 3. Simplified: 30/3 : 87/3 = 10:29
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 / 82 | 15:41 |
| 30 / 85 | 6:17 |
| 30 / 86 | 15:43 |
| 30 / 88 | 15:44 |
| 30 / 89 | 30:89 |
| 30 / 92 | 15:46 |
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.