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Simplify 30:63
The simplified ratio of 30:63 is 10:21. Free ratio calculator with GCD breakdown.
10:21
GCD of 30 and 63 is 3. Simplified: 30/3 : 63/3 = 10:21
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 / 58 | 15:29 |
| 30 / 61 | 30:61 |
| 30 / 62 | 15:31 |
| 30 / 64 | 15:32 |
| 30 / 65 | 6:13 |
| 30 / 68 | 15:34 |
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.