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I need help with this question subtract and simplify 7/9-22/45

Algebra
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I need help with this question subtract and simplify 7/9-22/45

Oct 23rd, 2014

7/9-22/45

Find lcm of 9 , 45

 9--9,45

  ---1,5

Lcm=9*1*5=45


(7*5-22*1)/45

=35-22/45

=13/45

Answer is 13/45.

Oct 23rd, 2014

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