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Simplify 105/20
105/20 simplified is 21/4 = 5.2500. Free fraction calculator with GCD and decimal conversion.
21/4 = 5.2500
GCD of 105 and 20 is 5. Simplified: 105/5 / 20/5 = 21/4 = 5.2500
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 |
|---|---|
| 105 / 15 | 7/1 = 7.0000 |
| 105 / 18 | 35/6 = 5.8333 |
| 105 / 19 | 105/19 = 5.5263 |
| 105 / 21 | 5/1 = 5.0000 |
| 105 / 22 | 105/22 = 4.7727 |
| 105 / 25 | 21/5 = 4.2000 |
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.