prealgebra

please help evaluate this problem with the steps. m/n +m/2p, when m=-4/7,n=5/3,p=8/5

  1. 0
asked by mikey
  1. just plug in the numbers..

    m/n +m/2p

    = (-4/7) / (5/3) + (-4/7) / (16/5)
    = (-4/7)(3/5) + (-4/7)(5/16)
    = -12/35 + (-20/112)
    = -12/35 - 5/28

    now 35 = 5 x 7
    and 28 = 4 x7
    so the LCD = 5x4x7 = 140

    carry on from here

    posted by Reiny
  2. that is where my problem comes in please help with that part with the steps

    posted by mikey
  3. please help me to solve this problem from this point

    posted by Anonymous

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