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math

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write -5.5 recurring as a fraction or mixed number in simplest form.

  • math - ,

    .55555 = 5/9
    So, -5.5555 = -5 5/9 = -50/9

    it's handy to know that .nnnnnn = n/9

    It's easy to show that .55555=5/9, since if

    n = .555555
    10n = 5.55555
    10n-n = 5.55555-.55555 = 5
    9n = 5
    n = 5/9

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