document.write( "Question 179018: My problem is with multiplying and dividing fractions with variables.
\n" ); document.write( "For example 5/1w x 3w/17.When I multiply across I get 15w/17w. Can the w's be
\n" ); document.write( "cancelled out and I end up with 15/17 ?\r
\n" ); document.write( "\n" ); document.write( "Also 27/8m divided by 9/4m. I know that you have to multiply the 27/8m by the inverse of 4m/9, which is 1 1/2, but do I keep the m ? \n" ); document.write( "

Algebra.Com's Answer #133962 by Mathtut(3670) $\"\"$ $\"About$

You can put this solution on YOUR website!
when you invert something you invert everything in the numerator and everything in the denominator..... whether is a number or a variable representing a number.....so 3mn/5ts inverted would be 5ts/3mn
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\n" ); document.write( " $\"%285%2Fw%29%2A%283w%2F17%29=15cross%28w%29%2F17cross%28w%29=15%2F17\"$ and yes they would cancel
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\n" ); document.write( "27/8m divided by 9/4m
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\n" ); document.write( " $\"%2827%2F8m%29%2A%284m%2F9%29=108cross%28m%29%2F72cross%28m%29=54%2F36=27%2F18=3%2F2\"$ \n" ); document.write( "

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