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Simplify 20/21
20/21 simplified is 20/21 = 0.9524. Free fraction calculator with GCD and decimal conversion.
20/21 = 0.9524
GCD of 20 and 21 is 1. Simplified: 20/1 / 21/1 = 20/21 = 0.9524
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 |
|---|---|
| 20 / 16 | 5/4 = 1.2500 |
| 20 / 19 | 20/19 = 1.0526 |
| 20 / 20 | 1/1 = 1.0000 |
| 20 / 22 | 10/11 = 0.9091 |
| 20 / 23 | 20/23 = 0.8696 |
| 20 / 26 | 10/13 = 0.7692 |
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.