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Simplify 18/40
18/40 simplified is 9/20 = 0.4500. Free fraction calculator with GCD and decimal conversion.
9/20 = 0.4500
GCD of 18 and 40 is 2. Simplified: 18/2 / 40/2 = 9/20 = 0.4500
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 / 35 | 18/35 = 0.5143 |
| 18 / 38 | 9/19 = 0.4737 |
| 18 / 39 | 6/13 = 0.4615 |
| 18 / 41 | 18/41 = 0.4390 |
| 18 / 42 | 3/7 = 0.4286 |
| 18 / 45 | 2/5 = 0.4000 |
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.