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March 26, 2017

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WHAT ARE THE LCM OF 16 AND 20

  • MATH - ,

    The greatest common factor is 4.

    Multiply 16 * 20.

    Divide that answer by 4.

    This site shows that method plus another similar method.

    http://www.aaamath.com/fra66i-lcm.html

  • MATH - ,

    ...16 20
    -----
    4 | 4 5
    4 | 1 5
    5 | 1 1

    so LCM = 4x4x5 = 80

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