MATH

5/6+1/5T=4/6

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  1. 5/6+1/5T=4/6

    First, you need a common denominator -- the LCM of 5 and 6. What is that LCM?

  2. 30

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    posted by JESSICA
  3. Right.

    5/6 = 25/30
    1/5 = 6/30
    4/6 = 20/30

    25/30 + (6/30)t = 20/30
    (6/30)t = (20/30) - (25/39
    (6/30)t = -5/30
    t = (-5/30) / (6/30)
    t = (-5/30) * (30/6)
    t = -150/180
    t = -15/18 = -5/6

  4. 19/6+4y=8y-1/6

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