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January 30, 2015

January 30, 2015

Posted by **Marie** on Tuesday, October 13, 2009 at 8:16pm.

- 7th grade -
**Ms. Sue**, Tuesday, October 13, 2009 at 8:26pmYou first have to find a common denominator for all three fractions.

Then, add the two positive fractions and subtract the negative fraction.

Example:

1/2 - 3/4 + 5/6 = 6/12 - 9/12 + 10/12 = 7/12

- 7th grade -
**neha**, Friday, May 24, 2013 at 10:36amex; 6o/10 = 30/5

20/40=10/20

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