Simplify: (i) -2/3+5/9-7/6 (ii) 3/8-2/9+(-1/36)
(iii) 1/6-2/5-(-2/15)
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Answer:(1)
=-2/3+5/9-7/6
=-4+15-7/6
=-11+15/6
=4/6
=2/3
(2)
=3/8-2/9+(-1/36)
=81-48-1/216
=32/216
=4/27
(3)
=1/6-2/5-(-2/15)
=5-12+4/30
=9-12/30
=-3/30
=-1/30
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