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Simplify 30:72
The simplified ratio of 30:72 is 5:12. Free ratio calculator with GCD breakdown.
5:12
GCD of 30 and 72 is 6. Simplified: 30/6 : 72/6 = 5:12
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 / 67 | 30:67 |
| 30 / 70 | 3:7 |
| 30 / 71 | 30:71 |
| 30 / 73 | 30:73 |
| 30 / 74 | 15:37 |
| 30 / 77 | 30:77 |
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.