Mathematics
Grade6
Easy

Question

If two fractions are said to be reciprocal to each other, then their product is _____.

  1. 0    
  2. 1    
  3. fraction numerator 1 over denominator 10 end fraction    
  4. fraction numerator 10 over denominator 1 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: 1


    Let fraction numerator a over denominator b end fraction any fraction, and then its reciprocal is fraction numerator b over denominator a end fraction
    Now, fraction numerator a over denominator b end fraction cross times fraction numerator b over denominator a end fraction equals fraction numerator a b over denominator a b end fraction equals 1
    So,If two fraction are reciprocal, then product will be unity.

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