document.write( "Question 811941: what fraction added to the sum 1/4 + 2/7 will give a total of 1 \n" ); document.write( "
Algebra.Com's Answer #488951 by Alan3354(69443)\"\" \"About 
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what fraction added to the sum 1/4 + 2/7 will give a total of 1
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\n" ); document.write( "Fraction = 1 - (1/4 + 2/7)
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