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Simplify 42/40
42/40 simplified is 21/20 = 1.0500. Free fraction calculator with GCD and decimal conversion.
21/20 = 1.0500
GCD of 42 and 40 is 2. Simplified: 42/2 / 40/2 = 21/20 = 1.0500
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 |
|---|---|
| 42 / 35 | 6/5 = 1.2000 |
| 42 / 38 | 21/19 = 1.1053 |
| 42 / 39 | 14/13 = 1.0769 |
| 42 / 41 | 42/41 = 1.0244 |
| 42 / 42 | 1/1 = 1.0000 |
| 42 / 45 | 14/15 = 0.9333 |
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.