Mathematics
Grade6
Easy

Question

The reciprocal of 2 fraction numerator 5 over denominator 8 end fraction is __________.

  1. fraction numerator 8 over denominator 5 end fraction    
  2. 5 fraction numerator 2 over denominator 8 end fraction    
  3. fraction numerator 8 over denominator 21 end fraction    
  4. fraction numerator 8 over denominator 10 end fraction    

Hint:

Reciprocal is simply defined as the inverse of a value or a number. If n is a real number, then its reciprocal will be 1/n. It means that we have to convert the number to the upside-down form

The correct answer is: fraction numerator 8 over denominator 21 end fraction


    2 fraction numerator 5 over denominator 8 end fraction equals fraction numerator 16 plus 5 over denominator 8 end fraction equals fraction numerator 21 over denominator 8 end fraction
    therefore The reciprocal of fraction numerator 21 over denominator 8 end fraction is fraction numerator 8 over denominator 21 end fraction

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