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Great and Common

While it is extremely easy to add or subtract fractions with the same denominations, it is equally challenging to do the same with fractions that have varied denominations. A least common multiple needs to be found in order to solve the fractions. In case the denominators don’t have any least common multiple, it is required to divide both the numerators and denominators with their greatest common factor. Here is where the concept of GCM comes handy. Download the free GCM worksheet for more practice.

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