Examples:

    1.
    1 over 1/4 = 4

    2.
    -(17-24) over 8 = 7/8

    3.
    1/2 - 1/3 = 1/6

    4.
    (pi/3) over (3/4) = 4pi/9

    Before continuing with other examples, we let x represent an unspecified real number.

    5.
    (1/(x+1))

    6.
    x^2 = x and solve for x

    7.
    [2/(3x+6) + 1/(3x-3)] over [x/(x^2 - 2x +1)]

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