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Simplify 18/4
18/4 simplified is 9/2 = 4.5000. Free fraction calculator with GCD and decimal conversion.
9/2 = 4.5000
GCD of 18 and 4 is 2. Simplified: 18/2 / 4/2 = 9/2 = 4.5000
How This Was Calculated
Simplification: Divide numerator and denominator by their GCD.
Addition: a/b + c/d = (ad + bc) / bd
Subtraction: a/b - c/d = (ad - bc) / bd
Multiplication: a/b × c/d = ac / bd
Division: a/b ÷ c/d = ad / bc
Quick Reference Table
| Input | Result |
|---|---|
| 18 / 2 | 9/1 = 9.0000 |
| 18 / 3 | 6/1 = 6.0000 |
| 18 / 5 | 18/5 = 3.6000 |
| 18 / 6 | 3/1 = 3.0000 |
| 18 / 9 | 2/1 = 2.0000 |
Frequently Asked Questions
What is a fraction?
A fraction represents a part of a whole, written as numerator/denominator.
How do I simplify fractions?
Divide both numerator and denominator by their greatest common divisor.
Can I add fractions with different denominators?
Yes, the calculator handles common denominators automatically.