document.write( "Question 494187: How is this solved: 3(a-b) over 9 + 4 over 9 b
\n" ); document.write( "Over signifying a fraction bar and the \"b\" being attached to 4 over 9 fraction.
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Algebra.Com's Answer #335565 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
[3(a-b)/9] + [4 / (9b)]
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\n" ); document.write( "least common denominator: 9b
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\n" ); document.write( "Write each fraction over the lcd:
\n" ); document.write( "[3b(a-b)/9b] + [4 / (9b)]
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\n" ); document.write( "Combine the numerators over the lcd:
\n" ); document.write( "[3ab - 3b^2 + 4]/(9b)
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\n" ); document.write( "[3b^2-3ab-4]/(-9b)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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