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Simplify 100:21
The simplified ratio of 100:21 is 100:21. Free ratio calculator with GCD breakdown.
100:21
GCD of 100 and 21 is 1. Simplified: 100/1 : 21/1 = 100:21
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 |
|---|---|
| 100 / 16 | 25:4 |
| 100 / 19 | 100:19 |
| 100 / 20 | 5:1 |
| 100 / 22 | 50:11 |
| 100 / 23 | 100:23 |
| 100 / 26 | 50:13 |
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.