document.write( "Question 178889: what number must be added to the numerator of 3/10 to produce the fraction 4/5? \n" ); document.write( "

Algebra.Com's Answer #133839 by Mathtut(3670) $\"\"$ $\"About$

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first right these as like terms by finding the same denominator
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\n" ); document.write( "4/5 is equal to 8/10
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\n" ); document.write( "so 3/10+x=8/10
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\n" ); document.write( "x=5/10
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\n" ); document.write( "so the answer is 5 \n" ); document.write( "

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