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Simplify 75:90
The simplified ratio of 75:90 is 5:6. Free ratio calculator with GCD breakdown.
5:6
GCD of 75 and 90 is 15. Simplified: 75/15 : 90/15 = 5:6
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 |
|---|---|
| 75 / 85 | 15:17 |
| 75 / 88 | 75:88 |
| 75 / 89 | 75:89 |
| 75 / 91 | 75:91 |
| 75 / 92 | 75:92 |
| 75 / 95 | 15:19 |
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.