simplify the following. (a) -13/20 + 11/14. + -5/7 + 7/10
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Answer:
-13/20 + 11/14 - 5/7 + 7/10
-13/20 - 5/7 + 11/14 + 7/10
-91 - 100/140 + 55 + 49/70
-191/140 + 104/70
-191 + 208/140
17/140
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