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Simplify 138/21
138/21 simplified is 46/7 = 6.5714. Free fraction calculator with GCD and decimal conversion.
46/7 = 6.5714
GCD of 138 and 21 is 3. Simplified: 138/3 / 21/3 = 46/7 = 6.5714
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 |
|---|---|
| 138 / 16 | 69/8 = 8.6250 |
| 138 / 19 | 138/19 = 7.2632 |
| 138 / 20 | 69/10 = 6.9000 |
| 138 / 22 | 69/11 = 6.2727 |
| 138 / 23 | 6/1 = 6.0000 |
| 138 / 26 | 69/13 = 5.3077 |
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.