1/3+f=3/4 solve equation?

not sure how to write the problem out i get 1/3-1/3+f=3/4-1/3 and then i get stuck

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  • Steven
    Lv 7
    10 years ago
    Favourite answer

    1/3+f=3/4

    the common denominator would be 12

    or you can multiply through by the individual denominators

    [reduces confusion]

    [and mistakes]

    1/3+f=3/4

    multiply through by 3

    1+3f=9/4

    multiply through by 4

    4+12f=9

    12f=5

    f=5/12

  • JOS J
    Lv 7
    10 years ago

    1/3+f=3/4

    f = 5/12

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