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Simplify 18/80
18/80 simplified is 9/40 = 0.2250. Free fraction calculator with GCD and decimal conversion.
9/40 = 0.2250
GCD of 18 and 80 is 2. Simplified: 18/2 / 80/2 = 9/40 = 0.2250
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 / 75 | 6/25 = 0.2400 |
| 18 / 78 | 3/13 = 0.2308 |
| 18 / 79 | 18/79 = 0.2278 |
| 18 / 81 | 2/9 = 0.2222 |
| 18 / 82 | 9/41 = 0.2195 |
| 18 / 85 | 18/85 = 0.2118 |
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.