Answers

2014-11-19T21:52:43+08:00

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First convert mixed fractions to improper fractions
2 3/4=11/4

Add them
4+11/4
Find their LCD, the LCD is the LCM of the denominator, the LCD is 4
16/4+11/4
=27/4

Hope this helps =)

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2014-11-19T21:59:48+08:00

This Is a Certified Answer

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Change mixed number to improper fraction then get the 
LCD,then add the numerator and copy the denominator to get the final answer..
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