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Simplify 40:85
The simplified ratio of 40:85 is 8:17. Free ratio calculator with GCD breakdown.
8:17
GCD of 40 and 85 is 5. Simplified: 40/5 : 85/5 = 8:17
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 |
|---|---|
| 40 / 80 | 1:2 |
| 40 / 83 | 40:83 |
| 40 / 84 | 10:21 |
| 40 / 86 | 20:43 |
| 40 / 87 | 40:87 |
| 40 / 90 | 4:9 |
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.