I'm in desperate need of help with math!

label Mathematics
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I am studying to take a math placement test and I am going over the practice questions. I have not done math in about 6 years and I do not remember any of it.

Question is

1/2+2/3-3/4

May 2nd, 2015

first step is to find the least common denominator, in this case, it's 12

so 1/2=6/12

2/3=8/12

3/4=9/12

so 6/12 + 8/12 - 9/12 = (6+8-9)/12=5/12

If you have any questions let me know

May 2nd, 2015

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May 2nd, 2015
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May 2nd, 2015
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