Simplify using suitable properties of rational numbers: (-3)/5 + (4/7 X 3/5)-4/9 ( 2/3 X 1/5 ) - 15/16 + ( 1/5 X 4/3 ).
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(-3)/5 + (4/7 x 3/5) - 4/9(2/3 x 1/5) - 15/16+(1/5 x 4/3)
= - 3/5 + 12 /35 - (4/9 )× (2/15) - 15/16 + 4/15
= - 3/5 + 12 /35 - 8/135 - 15/16 + 4/15
= ( - 9072+ 5184 - 896 - 14175 + 4032) /15120
= - 14927/15120
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