When you simplifying complex fractions, factor the numerator and denominator into terms multiplying each other and look for equivalents of one (something divided by itself). Include parenthesis around any expression with a “+” or “-” and if all terms cancel in the numerator, there is still a one (1) there.
How Do You Simplify Complex Fractions?
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How Do You Simplify Complex Fractions?. (2010, October 18). In ClassBrain Math . Retrieved 22:22, May 23, 2012, from http://www.classbrainmath.com/2010/03/simplifying-complex-fractions/
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Cynthia Kirkeby, How Do You Simplify Complex Fractions?. ClassBrain Math. October 18, 2010, 05:00 UTC. Available at: http://www.classbrainmath.com/2010/03/simplifying-complex-fractions/ . Accessed May 23, 2012.
Hey I was just wondering how does the 9 turn into 3 and the 3 turns into 1 do you divide both by the numerator of the first fraction (3) ?
He is reducing the fraction at that point.
Since you have 3/5 x 7/9 , it is the same as 3/9 x 7/5.
Reduce the 3/9. It becomes 1/3.
Then you have 1/3 x 7/5. Multiply across and you get 7/15.