math
Can someone please help me with this math problem. My teacher is looking for me to show my work, but I don't how to solve the problem to show my work. Please help!!! The problem is 2 1/2 + 3 1/4 + 3 5/8. Thank you for your help.

2 1/2 + 3 1/4 + 3 5/8
First you need to find the common denominator  which is 8.
Then convert each fraction to the common denominator.
2 1/2 = 2 4/8
3 1/4 = 3 2/8
Add:
2 4/8 + 3 2/8 + 3 5/8
What do you get?
posted by Ms. Sue

Hi Sue,
Thanks for responding so promptly. After adding the problem I got 8 11/8 but my answer isn't one of the multiple choices. What am I doing wrong now? The multiple choices are 10 3/8, 9 3/8, 7 3/8 or 8 3/8. Thanks again for your help.posted by adore001

Your answer of 8 11/8 is right. But you need to reduce or simplify it.
8 11/8 = 9 3/8
posted by Ms. Sue

Sue, thank you so very much. I now will practice this problem for future references. Thanks again.
posted by adore001

You're welcome, Adore.
posted by Ms. Sue

what precent of 3.5 is 7.2? show your work please.
posted by Martha
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