Michael J. answered 03/16/17
Tutor
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Effective High School STEM Tutor & CUNY Math Peer Leader
When you add two negatives you get a negative. All you have to do is drop the negative signs, add the fractions as though they were positive, then bring back the negative.
(5 / 3) + (2 / 8) =
(40 / 24) + (6 / 24) =
- [(40 / 24) + (6 / 24)]