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Simplify 100:30
The simplified ratio of 100:30 is 10:3. Free ratio calculator with GCD breakdown.
10:3
GCD of 100 and 30 is 10. Simplified: 100/10 : 30/10 = 10:3
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 / 25 | 4:1 |
| 100 / 28 | 25:7 |
| 100 / 29 | 100:29 |
| 100 / 31 | 100:31 |
| 100 / 32 | 25:8 |
| 100 / 35 | 20:7 |
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.