simplify expression using order of operation

Mathematics
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-7/6(1/2) + 5/9 / 7/6

Jan 22nd, 2015

-7/6(1/2) + 5/9 / 7/6

=-(7x1)/(6x2)+5/9 x (6/7)

=-7/12+(5x6)/(9x7)

=-7/12+5x2/(3x7)

=-7/12+10/21

=(-7x21+10x12)/(12x21)

=(-147+120)/(12x21)

=-27/(12x21)

=-3/(4x7)

=-3/28

Jan 22nd, 2015

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