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Simplify 4/20
4/20 simplified is 1/5 = 0.2000. Free fraction calculator with GCD and decimal conversion.
1/5 = 0.2000
GCD of 4 and 20 is 4. Simplified: 4/4 / 20/4 = 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 |
|---|---|
| 4 / 15 | 4/15 = 0.2667 |
| 4 / 18 | 2/9 = 0.2222 |
| 4 / 19 | 4/19 = 0.2105 |
| 4 / 21 | 4/21 = 0.1905 |
| 4 / 22 | 2/11 = 0.1818 |
| 4 / 25 | 4/25 = 0.1600 |
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.