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5th grade math

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please help solved the following fraction

11 13/15 + 3 7/12 =

14 3/4 + 7 + 5 7/8 =

Thanks,

Hannah

  • 5th grade math -

    First find the common denominator and change the fractions to equivalent fractions.

    11 13/15 = 11 52/60
    3 7/12 = 3 35/60

    Then add.

    11 52/60 + 3 35/60 = 14 87/60 = 15 27/60 = 15 9/20

    Now you can try the second problem. I'll be glad to check your work.

  • 5th grade math -

    Hannah,

    For the first problem with the first mixed number, you would multiply 11 and 15 and add 13. So it would be 178/15 because you still use the demominator. Then you mulitply 3 and 12 and add 7. So that would be 43/12.

    So the question is 178/15 + 43/12=

    Can you solve it from there?

    The next one would be 59/4 + 47/8=

    Find the common demominators and then solve.

  • 5th grade math -

    Hello Ms. Sue,

    How did you get 15 27/60 please?

    Thanks,

    Hannah

  • 5th grade math -

    14 87/60 = 15 27/60

    Divide 87 by 60 to get 1 27/60.

    Add that to 14 to get 15 27/60

  • 5th grade math -

    I am sorry, can u show your division please. when i divide 87 for 60 i get 1.45. Please help!

  • 5th grade math -

    Divide using long division.

  • 5th grade math -

    and how do i do that please

  • 5th grade math -

    Study this site.

    http://www.mathsisfun.com/long_division2.html

  • 5th grade math -

    that website is great we go on it at school

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