document.write( "Question 493297: I don't under Stan what to do in this problem
\n" ); document.write( "4/7+5/3 \n" ); document.write( "
Algebra.Com's Answer #335320 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
4/7+5/3
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\n" ); document.write( "You cannot add the fractions when they do not
\n" ); document.write( "have the same denominator:
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\n" ); document.write( "least common denominator: 3*7 = 21
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\n" ); document.write( "Convert each fraction to one which has 21 as its denominator:
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\n" ); document.write( "= (4/7)(3/3) + (5/3)(7/7)
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\n" ); document.write( "= 12/21 + 35/21
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\n" ); document.write( "Combine the numerators over the lcd:
\n" ); document.write( "= (12+35)/21
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\n" ); document.write( "= 47/21
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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