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Simplify 30:58
The simplified ratio of 30:58 is 15:29. Free ratio calculator with GCD breakdown.
15:29
GCD of 30 and 58 is 2. Simplified: 30/2 : 58/2 = 15:29
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 / 53 | 30:53 |
| 30 / 56 | 15:28 |
| 30 / 57 | 10:19 |
| 30 / 59 | 30:59 |
| 30 / 60 | 1:2 |
| 30 / 63 | 10:21 |
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.