5th grade math
please help solved the following fraction
11 13/15 + 3 7/12 =
14 3/4 + 7 + 5 7/8 =
Thanks,
Hannah

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.
posted by Ms. Sue

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.
posted by Ashley

Hello Ms. Sue,
How did you get 15 27/60 please?
Thanks,
Hannahposted by hannah

14 87/60 = 15 27/60
Divide 87 by 60 to get 1 27/60.
Add that to 14 to get 15 27/60posted by Ms. Sue

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

Divide using long division.
posted by Ms. Sue

and how do i do that please
posted by hannah

Study this site.
http://www.mathsisfun.com/long_division2.html
posted by Ms. Sue

that website is great we go on it at school
posted by serenity
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