Question 990211
 |x|+(3 1/4) +(7 3/10); x= -3 1/3 
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3 1/3 + 3 1/4 + 7 3/10
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(10/3) + (13/4) + (73/10)
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LCM = 60
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[10*20 + 13*15 + 6*73]/60
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[200 + 195 + 438)/60
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833/60 = 13 53/60
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Cheers,
Stan H.
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