document.write( "Question 482779: 4over7+5over4-1over2 \n" ); document.write( "

Algebra.Com's Answer #330424 by Alan3354(69443) $\"\"$ $\"About$

You can put this solution on YOUR website!
The / works well for over (except for radio commo)
\n" ); document.write( " $\"4%2F7+%2B+5%2F4+-+1%2F2\"$
\n" ); document.write( "The 3 terms have to have the same denominator to be combined, called \"common denominator\" The product of the denominators (regardless of the # of terms) always works. 7*4*2 = 56. But for this one, it's easy to spot that 2 is a factor of 4, and use 7*4 instead.
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\n" ); document.write( "= $\"16%2F28+%2B+35%2F28+-+14%2F28\"$
\n" ); document.write( "= $\"%2816+%2B+35+-+14%29%2F28\"$
\n" ); document.write( "= $\"37%2F28\"$
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