document.write( "Question 64889This question is from textbook Pre-Algebra
\n" ); document.write( ": Find the sum or difference. -4/17 + 3/5\r
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Algebra.Com's Answer #45363 by checkley71(8403)\"\" \"About 
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-4/17+3/5 WE NEED TO FIND A COMMON DENOMINATOR FOR THESE 2 FRACTIONS THUS
\n" ); document.write( "17*5=105 WHICH IS COMMON.
\n" ); document.write( "NOW WE CONVERT BOTH FRACTIONS TO FRACTION WITH A DENOMINATOR OF 85
\n" ); document.write( "-4/7=X/105
\n" ); document.write( "7X=-4*105
\n" ); document.write( "7X=-420
\n" ); document.write( "X=-420/7
\n" ); document.write( "X=-60 SO -4/7 BECOMES -60/105
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\n" ); document.write( "3/5=X/105
\n" ); document.write( "5X=315
\n" ); document.write( "X=315/5
\n" ); document.write( "X=63 SO 3/5 BECOMES 63/105
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\n" ); document.write( "NOW WE CAN SUBTRACT THESE FRACTIONS
\n" ); document.write( "63/105-60/105=3/105=1/35 \n" ); document.write( "
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