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Simplify 243:45
The simplified ratio of 243:45 is 27:5. Free ratio calculator with GCD breakdown.
27:5
GCD of 243 and 45 is 9. Simplified: 243/9 : 45/9 = 27:5
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 / 40 | 243:40 |
| 243 / 43 | 243:43 |
| 243 / 44 | 243:44 |
| 243 / 46 | 243:46 |
| 243 / 47 | 243:47 |
| 243 / 50 | 243:50 |
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.