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asked Jun 6, 2019 152k views

2 votes

PLEASE HELP ME 10 POINTS

Mathematics
middle-school

Alex Seleznyov asked

by Alex Seleznyov

7.8k points

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1 Answer

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$(3)/(5)=(3\cdot2)/(5\cdot2)=(6)/(10)\\\\(1)/(2)=(1\cdot5)/(2\cdot5)=(5)/(10)\\\\(3)/(5)+(1)/(2)=(6)/(10)+(5)/(10)=(6+5)/(10)=(11)/(10)=1(1)/(10)\\\\(3)/(5)-(1)/(2)=(6)/(10)-(5)/(10)=(6-5)/(10)=(1)/(10)$

Rony Nguyen answered Jun 11, 2019

by Rony Nguyen

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