document.write( "Question 106072: how do you simplify adding,and subtracting fractions? \n" ); document.write( "
Algebra.Com's Answer #83588 by jgr45(31)\"\" \"About 
You can put this solution on YOUR website!
\"a%2Fb\"+\"c%2Fd\" = \"%28ad+%2B+bc%29%2Fbd\"\r
\n" ); document.write( "\n" ); document.write( "and\r
\n" ); document.write( "\n" ); document.write( "\"a%2Fb\"-\"c%2Fd\" = \"%28ad+-+bc%29%2Fbd\"\r
\n" ); document.write( "\n" ); document.write( "This, of course, assumes that no denominator can ever be zero.
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