document.write( "Question 441467: what does 7/10 + 1/5 = and 5/8 - 1/4 =\r
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Algebra.Com's Answer #304716 by MathLover1(20849) $\"\"$ $\"About$

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$\"7%2F10+%2B+1%2F5\"$ ....common denominator is $\"10\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"7%2F10+%2B+1%2A2%2F%285%2A2%29\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"7%2F10+%2B+2%2F10\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"%287%2B2%29%2F10\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"9%2F10\"$ \r
\n" ); document.write( "\n" ); document.write( " and \r
\n" ); document.write( "\n" ); document.write( " $\"5%2F8+-+1%2F4\"$ ....common denominator is $\"8\"$ \r
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\n" ); document.write( "\n" ); document.write( "= $\"5%2F8+-+1%2A2%2F%284%2A2%29\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"5%2F8+-+2%2F8\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"%285-2%29%2F8+\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"3%2F8+\"$
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