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14 May, 22:56

Write two mixed numbers where the LCD is 12, but the product of the denominators is not 12.

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  1. 15 May, 02:47
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    The prime factorization of 12 is

    12 = 2²*3

    To find denominators suitable for your purpose, you need to group the factors

    {1, 2, 2, 3}

    into two groups with different products that share at least one of the numbers that is not 1.

    For example, your grouping could be (2, [2), 3], where a 2 is shared. That is, your denominators could be 2*2=4 and 2*3=6.

    Another possible grouping is (1, [2), 2, 3], giving rise to denominators of 2 and 12.

    Yet another is (1, [3), 2, 2], for denominators of 3 and 12.

    Using the first grouping, a pair of mixed numbers matching your requirement might be

    1 3/4, 5 1/6
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