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Simplify 243:18
The simplified ratio of 243:18 is 27:2. Free ratio calculator with GCD breakdown.
27:2
GCD of 243 and 18 is 9. Simplified: 243/9 : 18/9 = 27:2
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 |
|---|---|
| 243 / 13 | 243:13 |
| 243 / 16 | 243:16 |
| 243 / 17 | 243:17 |
| 243 / 19 | 243:19 |
| 243 / 20 | 243:20 |
| 243 / 23 | 243:23 |
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.