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Simplify 80:42
The simplified ratio of 80:42 is 40:21. Free ratio calculator with GCD breakdown.
40:21
GCD of 80 and 42 is 2. Simplified: 80/2 : 42/2 = 40:21
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 |
|---|---|
| 80 / 37 | 80:37 |
| 80 / 40 | 2:1 |
| 80 / 41 | 80:41 |
| 80 / 43 | 80:43 |
| 80 / 44 | 20:11 |
| 80 / 47 | 80:47 |
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.