Results 1 to 7 of 7

Math Help - Dividing by negative fractions

  1. #1
    Junior Member
    Joined
    May 2010
    Posts
    52

    Dividing by negative fractions

    -1/6x = -9/10

    Do I divide the -1/6 by its reciprocal?

    leaving me with: X = -9/10 divided by -1/6

    And I am stuck!! Please show me how it is done.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor undefined's Avatar
    Joined
    Mar 2010
    From
    Chicago
    Posts
    2,340
    Awards
    1
    Quote Originally Posted by OneidaFL View Post
    -1/6x = -9/10
    Is this

    \displaystyle-\frac{1}{6}x=-\frac{9}{10}

    or

    \displaystyle-\frac{1}{6x}=-\frac{9}{10}

    ?
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Junior Member
    Joined
    May 2010
    Posts
    52
    Quote Originally Posted by undefined View Post
    Is this

    \displaystyle-\frac{1}{6}x=-\frac{9}{10}

    or

    \displaystyle-\frac{1}{6x}=-\frac{9}{10}

    ?
    The first one is the correct one
    Last edited by OneidaFL; July 2nd 2010 at 12:52 PM. Reason: I do not know how to type in the proper formulas using my keyboard
    Follow Math Help Forum on Facebook and Google+

  4. #4
    MHF Contributor undefined's Avatar
    Joined
    Mar 2010
    From
    Chicago
    Posts
    2,340
    Awards
    1
    Quote Originally Posted by OneidaFL View Post
    The first one is the correct one
    So yes, divide each side by -1/6, or equivalently, multiply each side by -6.
    Follow Math Help Forum on Facebook and Google+

  5. #5
    Junior Member
    Joined
    May 2010
    Posts
    52
    And I am stuck!! Please show me how it is done.

    -9/10 divided by -1/6

    -9.10 multiplied by -6/1?
    Follow Math Help Forum on Facebook and Google+

  6. #6
    Member mohammadfawaz's Avatar
    Joined
    Feb 2010
    From
    Lebanon - Beirut
    Posts
    100
    The negative is no issue here.
    as you usually do in any equation of the form ax=b: x=\frac{b}{a}. In your case, you have x=\frac{\frac{-9}{10}}{\frac{-1}{6}}=\frac{-9}{10} \times \frac{6}{-1} = \frac{54}{10}=\frac{27}{5}
    Follow Math Help Forum on Facebook and Google+

  7. #7
    Junior Member
    Joined
    May 2010
    Posts
    52
    Best answer with an explanation. Thanks!
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Dividing Fractions
    Posted in the Algebra Forum
    Replies: 2
    Last Post: October 2nd 2011, 05:29 AM
  2. Dividing with a negative in Denom
    Posted in the Algebra Forum
    Replies: 3
    Last Post: June 14th 2009, 06:36 PM
  3. Dividing fractions
    Posted in the Math Topics Forum
    Replies: 3
    Last Post: September 3rd 2008, 01:01 AM
  4. Dividing fractions
    Posted in the Algebra Forum
    Replies: 5
    Last Post: December 3rd 2007, 06:02 AM
  5. negative fractions to negative exponents
    Posted in the Algebra Forum
    Replies: 2
    Last Post: September 24th 2006, 06:02 PM

Search Tags


/mathhelpforum @mathhelpforum