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Simplify 42:86
The simplified ratio of 42:86 is 21:43. Free ratio calculator with GCD breakdown.
21:43
GCD of 42 and 86 is 2. Simplified: 42/2 : 86/2 = 21:43
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 |
|---|---|
| 42 / 81 | 14:27 |
| 42 / 84 | 1:2 |
| 42 / 85 | 42:85 |
| 42 / 87 | 14:29 |
| 42 / 88 | 21:44 |
| 42 / 91 | 6:13 |
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.