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Simplify 84/21
84/21 simplified is 4/1 = 4.0000. Free fraction calculator with GCD and decimal conversion.
4/1 = 4.0000
GCD of 84 and 21 is 21. Simplified: 84/21 / 21/21 = 4/1 = 4.0000
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 / 16 | 21/4 = 5.2500 |
| 84 / 19 | 84/19 = 4.4211 |
| 84 / 20 | 21/5 = 4.2000 |
| 84 / 22 | 42/11 = 3.8182 |
| 84 / 23 | 84/23 = 3.6522 |
| 84 / 26 | 42/13 = 3.2308 |
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.