document.write( "Question 877569: 17 5/8 - 9 3/4 \n" ); document.write( "

Algebra.Com's Answer #530096 by Fombitz(32388) $\"\"$ $\"About$

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Convert the mixed numbers to fractions first.
\n" ); document.write( " $\"17%2B5%2F8=136%2F8%2B5%2F8=141%2F8\"$
\n" ); document.write( " $\"9%2B3%2F4=36%2F4%2B3%2F4=39%2F4\"$
\n" ); document.write( "To add or subtract fractions, you need a common denominator.
\n" ); document.write( "Choose 8.
\n" ); document.write( "So,
\n" ); document.write( " $\"39%2F4=%2839%2F4%29%282%2F2%29=78%2F8\"$
\n" ); document.write( "Now you can subtract,
\n" ); document.write( " $\"141%2F8-78%2F8=63%2F8\"$
\n" ); document.write( "Now convert back to a mixed number,
\n" ); document.write( " $\"63%2F8=7%2B7%2F8\"$
\n" ); document.write( "7 7/8 \n" ); document.write( "

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