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Simplify 640/400
640/400 simplified is 8/5 = 1.6000. Free fraction calculator with GCD and decimal conversion.
8/5 = 1.6000
GCD of 640 and 400 is 80. Simplified: 640/80 / 400/80 = 8/5 = 1.6000
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 |
|---|---|
| 640 / 395 | 128/79 = 1.6203 |
| 640 / 398 | 320/199 = 1.6080 |
| 640 / 399 | 640/399 = 1.6040 |
| 640 / 401 | 640/401 = 1.5960 |
| 640 / 402 | 320/201 = 1.5920 |
| 640 / 405 | 128/81 = 1.5802 |
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.