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Out of the fractions $$\frac{5}{7},\frac{4}{9},\frac{6}{11},\frac{2}{5}$$ and $$\frac{3}{4}$$ what is the difference between largest and sm…

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Out of the fractions $$\frac{5}{7},\frac{4}{9},\frac{6}{11},\frac{2}{5}$$ and $$\frac{3}{4}$$ what is the difference between largest and smallest fractions?
  • A$$\frac{6}{11}$$
  • B$$\frac{11}{18}$$
  • C$$\frac{7}{18}$$
  • D$$\frac{11}{20}$$
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Discussion 1

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Solution
The smallest fraction amongst the ones given is $\frac{2}{5}$ while the largest fraction is $\frac{3}{4}$
Hence, the difference is $\frac{3}{4} - \frac{2}{5} = \frac{15-8}{20} = \frac{7}{20}$