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Simplify 90:75
The simplified ratio of 90:75 is 6:5. Free ratio calculator with GCD breakdown.
6:5
GCD of 90 and 75 is 15. Simplified: 90/15 : 75/15 = 6:5
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 / 70 | 9:7 |
| 90 / 73 | 90:73 |
| 90 / 74 | 45:37 |
| 90 / 76 | 45:38 |
| 90 / 77 | 90:77 |
| 90 / 80 | 9:8 |
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.