I have 1/2-1/7 and3/5-1/2

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asked Oct 16, 2015 17.3k views

1 vote

I have 1/2-1/7 and3/5-1/2

Mathematics
middle-school

WHITECOLOR asked

by WHITECOLOR

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2 Answers

2 votes

1/2 - 1/7 = 7/14 - 2/14 = 5/14
3/5 - 1/2 = 6/10 - 5/10 = 1/10

Player Josu answered Oct 17, 2015

by Player Josu

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4 votes

$(1)/(2)-(1)/(7)=\ \ \ | make\ common \denominator\\\\ (7)/(14)-(2)/(14)=(7-2)/(14)=(5)/(14)\\\\ (3)/(5)-(1)/(2)= \ \ \ | make\ common \denominator\\\\ (6)/(10)-(5)/(10)=(1)/(10)$

Greg Brown answered Oct 20, 2015

by Greg Brown

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