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Posted by **hannah** on Tuesday, January 8, 2013 at 7:12pm.

11 13/15 + 3 7/12 =

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

Thanks,

Hannah

- 5th grade math -
**Ms. Sue**, Tuesday, January 8, 2013 at 7:19pmFirst 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 -
**Ashley**, Tuesday, January 8, 2013 at 7:20pmHannah,

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 -
**hannah**, Tuesday, January 8, 2013 at 7:31pmHello Ms. Sue,

How did you get 15 27/60 please?

Thanks,

Hannah

- 5th grade math -
**Ms. Sue**, Tuesday, January 8, 2013 at 7:36pm14 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 -
**hannah**, Tuesday, January 8, 2013 at 7:41pmI am sorry, can u show your division please. when i divide 87 for 60 i get 1.45. Please help!

- 5th grade math -
**Ms. Sue**, Tuesday, January 8, 2013 at 7:42pmDivide using long division.

- 5th grade math -
**hannah**, Tuesday, January 8, 2013 at 7:43pmand how do i do that please

- 5th grade math -
**Ms. Sue**, Tuesday, January 8, 2013 at 7:54pmStudy this site.

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

- 5th grade math -
**serenity**, Tuesday, January 8, 2013 at 8:43pmthat website is great we go on it at school