Results 1 to 5 of 5

Math Help - adding 2 fractions

  1. #1
    Super Member
    Joined
    Oct 2008
    From
    Bristol, England
    Posts
    897

    adding 2 fractions

    hi, im having a mental blank and can't think what 1/3 + 1/5=, so could someone help me remember?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Rhymes with Orange Chris L T521's Avatar
    Joined
    May 2008
    From
    Chicago, IL
    Posts
    2,844
    Thanks
    3
    Quote Originally Posted by andyboy179 View Post
    hi, im having a mental blank and can't think what 1/3 + 1/5=, so could someone help me remember?
    What's the common denominator?
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Senior Member Mukilab's Avatar
    Joined
    Nov 2009
    Posts
    468
    Just to clear up the denominator is the LCM. Lowest common multiple. So basically which number will both of the denominators fit in?
    Follow Math Help Forum on Facebook and Google+

  4. #4
    Super Member
    Joined
    Oct 2008
    From
    Bristol, England
    Posts
    897
    very sorry i was meant to put, 1/3 x 1/5!
    sorry!!
    Follow Math Help Forum on Facebook and Google+

  5. #5
    Rhymes with Orange Chris L T521's Avatar
    Joined
    May 2008
    From
    Chicago, IL
    Posts
    2,844
    Thanks
    3
    Quote Originally Posted by andyboy179 View Post
    very sorry i was meant to put, 1/3 x 1/5!
    sorry!!
    In that case, you just multiply numerators with numerators, and denominators with denominators..
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Adding Fractions
    Posted in the LaTeX Help Forum
    Replies: 4
    Last Post: May 21st 2009, 02:21 PM
  2. Adding More than Two Fractions
    Posted in the Math Topics Forum
    Replies: 2
    Last Post: August 13th 2008, 02:19 PM
  3. Adding fractions... I think
    Posted in the Algebra Forum
    Replies: 1
    Last Post: August 2nd 2008, 06:28 AM
  4. adding fractions
    Posted in the Algebra Forum
    Replies: 4
    Last Post: May 9th 2008, 09:07 AM
  5. adding fractions
    Posted in the Algebra Forum
    Replies: 1
    Last Post: July 26th 2005, 11:19 AM

Search Tags


/mathhelpforum @mathhelpforum