In mathematics, the lowest common denominator or least common denominator (abbreviated LCD) is the least common multiple of the denominators of a set of fractions. It simplifies adding, subtracting, and comparing fractions.
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LCM is an abbreviation for "least common multiple."
1. change the dissimilar fractions to similar fractions by getting the L.C.D or the least common denominator. 2. add the whole numbers and write down the given denominator. 3. reduce the answer to lowest term if possible.
It means: Divide numerator and denominator by the same number as many times as you can until they no longer have any common factor except '1'.
It is a fraction in its reduced or simplest from.
No, it means average.