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Simplify 84/20
84/20 simplified is 21/5 = 4.2000. Free fraction calculator with GCD and decimal conversion.
21/5 = 4.2000
GCD of 84 and 20 is 4. Simplified: 84/4 / 20/4 = 21/5 = 4.2000
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 |
|---|---|
| 84 / 15 | 28/5 = 5.6000 |
| 84 / 18 | 14/3 = 4.6667 |
| 84 / 19 | 84/19 = 4.4211 |
| 84 / 21 | 4/1 = 4.0000 |
| 84 / 22 | 42/11 = 3.8182 |
| 84 / 25 | 84/25 = 3.3600 |
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.