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1) Among all fractions \(x\)  that have a positive integer numerator and denominator and satisfy \(\frac{9}{11} \le x \le \frac{11}{13}\)

which fraction has the smallest denominator?

 Oct 1, 2018
 #1
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I think this goes like this:

 

11/13 - 9/11 = The common denominator of 11 and 13 is 143

[ 121 - 117] / 143 =

4 / 143

 Oct 2, 2018
 #2
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Why didn't you ask for help earlier?

 Oct 2, 2018

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