Find 3/7+(-14/11+(-2/22-(-5/21)
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Answer:
=> 3/7 - 14/11 - 2/22 + 5/21
=> 3/7 + 5/21 - 15/11
=> 14/21 - 15/11
=> 2/3 - 15/11
=> (22-45)/33
=> -23/33
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