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Simplify 140:21
The simplified ratio of 140:21 is 20:3. Free ratio calculator with GCD breakdown.
20:3
GCD of 140 and 21 is 7. Simplified: 140/7 : 21/7 = 20:3
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 |
|---|---|
| 140 / 16 | 35:4 |
| 140 / 19 | 140:19 |
| 140 / 20 | 7:1 |
| 140 / 22 | 70:11 |
| 140 / 23 | 140:23 |
| 140 / 26 | 70:13 |
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.