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About

When arithmetic expressions scale beyond simple pairs, finding the Least Common Denominator (LCD) becomes computationally intensive and prone to human error. This calculator is engineered for complex sequences involving six distinct fractions. It targets advanced academic scenarios and technical resource allocation problems where multiple ratios must be aggregated into a single net value.

Unlike standard calculators that convert fractions to decimals (losing precision with repeating decimals like 0.333...), this tool maintains exact rational forms throughout the calculation. It handles the heavy lifting of finding the Least Common Multiple (LCM) for up to six denominators, which can frequently result in values exceeding standard integer limits, handled here via robust 64-bit integer logic.

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Formulas

The summation of six fractions requires transforming all terms to a common base L (the LCD). For a set of fractions nidi where i goes from 1 to 6:

L = LCM(d1, d2, ..., d6)

Each numerator is then scaled:

ni= ni × (L ÷ di)

The final result is the sum of scaled numerators over L, reduced to lowest terms.

Reference Data

NDenominator SequenceResulting LCD
12, 3, 4, 5, 6, 7420
210, 20, 30, 40, 50, 60600
312, 15, 18, 20, 24, 30360
4Prime Numbers (2, 3, 5, 7, 11, 13)30,030
5Fibonacci (1, 2, 3, 5, 8, 13)3120
6Powers of 2 (2, 4, 8, 16, 32, 64)64

Frequently Asked Questions

No, this specific tool is optimized for exactly six fractions to ensure the layout remains stable. If you have fewer fractions, please enter "0" for the numerator and "1" for the denominator (0/1) in the unused slots, which effectively adds zero to the result.
The calculator displays the result as a proper fraction (a/b). If the numerator is larger than the denominator, it indicates a value greater than 1, but it is not automatically converted to a mixed number to preserve algebraic utility.
The Least Common Multiple grows exponentially with the introduction of distinct prime factors. With six different denominators, the likelihood of having no common factors increases, forcing the algorithm to multiply the numbers together to find a common ground.
Yes. While the default view sums the fractions, you can effectively subtract any fraction by entering a negative sign in its numerator input field (e.g., -3 for the numerator).