Using suitable re-arrangement find the sum
5/9+(-3/11)+7/9+(-7/11)
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Answer:
5/9+(-3/11)+7/9+(-7/11)
=55+(-27)/99+77+(-63)/99
=55-27/99+77-63/99
=28/99+14/99
=28+14/99
=42/99(cutting)
=14/33
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