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Simplify 90:30
The simplified ratio of 90:30 is 3:1. Free ratio calculator with GCD breakdown.
3:1
GCD of 90 and 30 is 30. Simplified: 90/30 : 30/30 = 3:1
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 |
|---|---|
| 90 / 25 | 18:5 |
| 90 / 28 | 45:14 |
| 90 / 29 | 90:29 |
| 90 / 31 | 90:31 |
| 90 / 32 | 45:16 |
| 90 / 35 | 18:7 |
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.