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Simplify 25:21
The simplified ratio of 25:21 is 25:21. Free ratio calculator with GCD breakdown.
25:21
GCD of 25 and 21 is 1. Simplified: 25/1 : 21/1 = 25:21
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 |
|---|---|
| 25 / 16 | 25:16 |
| 25 / 19 | 25:19 |
| 25 / 20 | 5:4 |
| 25 / 22 | 25:22 |
| 25 / 23 | 25:23 |
| 25 / 26 | 25:26 |
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.