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4 votes
3 and 2/5 + -3 and 1/2 equal to

1 Answer

4 votes

Answer:


\large\boxed{-(1)/(10)=-0.1}

Explanation:


3(2)/(5)+-3(1)/(2)\qquad\text{find}\ LCD=(5)(2)=10\\\\=3(2\cdot2)/(5\cdot2)-3(1\cdot5)/(2\cdot5)=3(4)/(10)-3(5)/(10)=(3-3)+(4-5)/(10)=-(1)/(10)

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