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Simplify 80:20
The simplified ratio of 80:20 is 4:1. Free ratio calculator with GCD breakdown.
4:1
GCD of 80 and 20 is 20. Simplified: 80/20 : 20/20 = 4:1
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 / 15 | 16:3 |
| 80 / 18 | 40:9 |
| 80 / 19 | 80:19 |
| 80 / 21 | 80:21 |
| 80 / 22 | 40:11 |
| 80 / 25 | 16:5 |
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.