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Simplify 90:40
The simplified ratio of 90:40 is 9:4. Free ratio calculator with GCD breakdown.
9:4
GCD of 90 and 40 is 10. Simplified: 90/10 : 40/10 = 9:4
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 / 35 | 18:7 |
| 90 / 38 | 45:19 |
| 90 / 39 | 30:13 |
| 90 / 41 | 90:41 |
| 90 / 42 | 15:7 |
| 90 / 45 | 2:1 |
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.