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what is 12 and 1 half subtracted by 7 2 fifths

Guest Feb 14, 2017
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[12 + 1/2 ] - [ 7 + 2/5 ]  =

 

25/2 - 37/5        common den.   = 10

 

[25 * 5] / 10  -  [37 * 2] / 10  =

 

125 / 10  -  74 / 10  =

 

51 /10

 

 

cool cool cool

CPhill  Feb 14, 2017

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