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Simplify 126:21
The simplified ratio of 126:21 is 6:1. Free ratio calculator with GCD breakdown.
6:1
GCD of 126 and 21 is 21. Simplified: 126/21 : 21/21 = 6:1
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 |
|---|---|
| 126 / 16 | 63:8 |
| 126 / 19 | 126:19 |
| 126 / 20 | 63:10 |
| 126 / 22 | 63:11 |
| 126 / 23 | 126:23 |
| 126 / 26 | 63:13 |
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.