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Simplify 189:42
The simplified ratio of 189:42 is 9:2. Free ratio calculator with GCD breakdown.
9:2
GCD of 189 and 42 is 21. Simplified: 189/21 : 42/21 = 9:2
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 |
|---|---|
| 189 / 37 | 189:37 |
| 189 / 40 | 189:40 |
| 189 / 41 | 189:41 |
| 189 / 43 | 189:43 |
| 189 / 44 | 189:44 |
| 189 / 47 | 189:47 |
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.