document.write( "Question 653755: The sum of the reciprocal of 5 and the reciprocal of 7 is the reciprocal of what number? \n" ); document.write( "
Algebra.Com's Answer #408489 by nerdybill(7384)\"\" \"About 
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The sum of the reciprocal of 5 and the reciprocal of 7 is the reciprocal of what number?
\n" ); document.write( "\"reciprocal of 5\" is 1/5
\n" ); document.write( "and
\n" ); document.write( "\"reciprocal of 7\" is 1/7
\n" ); document.write( ".
\n" ); document.write( "Sum is:
\n" ); document.write( "1/5 + 1/7
\n" ); document.write( "7/35 + 5/35
\n" ); document.write( "(7 + 5)/35
\n" ); document.write( "12/35
\n" ); document.write( ".
\n" ); document.write( "since 12/35 * 35/12 = 1
\n" ); document.write( "answer: 35/12
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