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Simplify 420/85
420/85 simplified is 84/17 = 4.9412. Free fraction calculator with GCD and decimal conversion.
84/17 = 4.9412
GCD of 420 and 85 is 5. Simplified: 420/5 / 85/5 = 84/17 = 4.9412
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 |
|---|---|
| 420 / 80 | 21/4 = 5.2500 |
| 420 / 83 | 420/83 = 5.0602 |
| 420 / 84 | 5/1 = 5.0000 |
| 420 / 86 | 210/43 = 4.8837 |
| 420 / 87 | 140/29 = 4.8276 |
| 420 / 90 | 14/3 = 4.6667 |
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.