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Simplify 18/90
18/90 simplified is 1/5 = 0.2000. Free fraction calculator with GCD and decimal conversion.
1/5 = 0.2000
GCD of 18 and 90 is 18. Simplified: 18/18 / 90/18 = 1/5 = 0.2000
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 / 85 | 18/85 = 0.2118 |
| 18 / 88 | 9/44 = 0.2045 |
| 18 / 89 | 18/89 = 0.2022 |
| 18 / 91 | 18/91 = 0.1978 |
| 18 / 92 | 9/46 = 0.1957 |
| 18 / 95 | 18/95 = 0.1895 |
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.