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Simplify 18/45
18/45 simplified is 2/5 = 0.4000. Free fraction calculator with GCD and decimal conversion.
2/5 = 0.4000
GCD of 18 and 45 is 9. Simplified: 18/9 / 45/9 = 2/5 = 0.4000
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 / 40 | 9/20 = 0.4500 |
| 18 / 43 | 18/43 = 0.4186 |
| 18 / 44 | 9/22 = 0.4091 |
| 18 / 46 | 9/23 = 0.3913 |
| 18 / 47 | 18/47 = 0.3830 |
| 18 / 50 | 9/25 = 0.3600 |
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.