document.write( "Question 519261: I subtracted $\"7%263%2F4\"$ - $\"3%265%2F6\"$ and I came up with $\"4%261%2F12\"$
\n" ); document.write( "but that was not right can u help me?\r
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Algebra.Com's Answer #345476 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "This is the way they teach you to do it in most schools.\r\n" );
document.write( "Do not change mixed numbers to improper fractions when\r\n" );
document.write( "adding and subtracting but leave them as mixed numbers\r\n" );
document.write( "like this:\r\n" );
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document.write( "   7 =  7 =  6 \r\n" );
document.write( "  -3 = -3 = -3 \r\n" );
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document.write( "                3\r\n" );
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document.write( "Notice in the last step the 7 was changed to 6 and the fraction was changed by\r\n" );
document.write( "adding 12 to the numerator.  In other words, we \"borrowed\" 1 from the \r\n" );
document.write( "7, and called it ths and added it to the fraction  and got\r\n" );
document.write( ", so we'd have a larger fraction on top.   \r\n" );
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document.write( "Edwin

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