document.write( "Question 160639: This is a question on a handout the teacher gave us. I don't have a clue where to even begin.\r
\n" ); document.write( "\n" ); document.write( "What number should be subtracted from the numerator of 21/29 to cause the fraction to equal 3/5?
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Algebra.Com's Answer #118457 by checkley77(12844)\"\" \"About 
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(21-X)/29=3/5
\n" ); document.write( "5(21-X)=3*29
\n" ); document.write( "105-5X=87
\n" ); document.write( "-5X=87-105
\n" ); document.write( "-5X=-18
\n" ); document.write( "X=-18/-5
\n" ); document.write( "X=3.6 ANSWER.
\n" ); document.write( "PROOF:
\n" ); document.write( "(21-3.6)/29=3/5
\n" ); document.write( "17.4/29=3/5
\n" ); document.write( "17.4*5=29*3
\n" ); document.write( "87=87
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