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Simplify 3:18
The simplified ratio of 3:18 is 1:6. Free ratio calculator with GCD breakdown.
1:6
GCD of 3 and 18 is 3. Simplified: 3/3 : 18/3 = 1:6
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.
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.