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Simplify 18:72
The simplified ratio of 18:72 is 1:4. Free ratio calculator with GCD breakdown.
1:4
GCD of 18 and 72 is 18. Simplified: 18/18 : 72/18 = 1:4
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 |
|---|---|
| 18 / 67 | 18:67 |
| 18 / 70 | 9:35 |
| 18 / 71 | 18:71 |
| 18 / 73 | 18:73 |
| 18 / 74 | 9:37 |
| 18 / 77 | 18:77 |
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.