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Simplify 210:84
The simplified ratio of 210:84 is 5:2. Free ratio calculator with GCD breakdown.
5:2
GCD of 210 and 84 is 42. Simplified: 210/42 : 84/42 = 5:2
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 |
|---|---|
| 210 / 79 | 210:79 |
| 210 / 82 | 105:41 |
| 210 / 83 | 210:83 |
| 210 / 85 | 42:17 |
| 210 / 86 | 105:43 |
| 210 / 89 | 210:89 |
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.