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Simplify 100:15
The simplified ratio of 100:15 is 20:3. Free ratio calculator with GCD breakdown.
20:3
GCD of 100 and 15 is 5. Simplified: 100/5 : 15/5 = 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 |
|---|---|
| 100 / 10 | 10:1 |
| 100 / 13 | 100:13 |
| 100 / 14 | 50:7 |
| 100 / 16 | 25:4 |
| 100 / 17 | 100:17 |
| 100 / 20 | 5:1 |
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.