Simplifying Complex Fractions-Keep, Change, Flip

How to simplify complex fractions
Complex fractions have a fraction on top of a fraction
Video Guide
0:46 Simplify 5+7/11 / 5/12
0:51 Simplify the numerator of the complex fraction =12/11
0:58 Don't simplify the denominator but move the fraction over so the complex fraction becomes 12/11 divided by 5/12
1:35 Change the problem from division to multiplication by Keeping the first fraction the same, changing the sign,flipping the last fraction
2:22 Answer to first simplifying complex fractions problem
2:39 Problem 2 Simplify the complex fraction 3/4 + 2/3 /1/2
2:54 Simplify the numerator of the complex fraction by finding a common denominator
3:51 After simplifying the numerator you get 17/12 divided by1/2
4:06 Apply Keep in Change it Flip it
4:42 Answer to problem 2
5:05 Simplify the complex fraction that contains variables
1/2 + 1/x /x^2 + 2x
5:12 Simplify the numerator by finding a common denominator
6:23 Use the keep it Change it Flip it rules to turn the problem from division to multiplication
7:30 Final answer "Simplify a complex fraction with variables"

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