Mathematics
Grade6
Easy

Question

Identify the equations that are true.

  1. fraction numerator 23 over denominator 7 end fraction divided by 4 is fraction numerator 23 over denominator 7 end fraction divided by fraction numerator 4 over denominator 1 end fraction equals fraction numerator 23 over denominator 7 end fraction cross times fraction numerator 1 over denominator 4 end fraction    
  2. fraction numerator 18 over denominator 19 end fraction divided by 7 is fraction numerator 18 over denominator 19 end fraction divided by fraction numerator 7 over denominator 1 end fraction equals fraction numerator 18 over denominator 19 end fraction cross times fraction numerator 1 over denominator 7 end fraction    
  3. fraction numerator 16 over denominator 17 end fraction divided by 9 is fraction numerator 16 over denominator 17 end fraction divided by fraction numerator 9 over denominator 1 end fraction equals fraction numerator 16 over denominator 17 end fraction cross times fraction numerator 1 over denominator 9 end fraction    
  4. All the above    

Hint:

We can multiply the reciprocal of the denominator with the numerator to find the value of the problems in option. Use option checking method to find the correct answer.

The correct answer is: All the above


    We can multiply the reciprocal of the denominator with the numerator to find the value of the problems By option checking
    A) fraction numerator 23 over denominator 7 end fraction divided by 4 blank text is  end text fraction numerator 23 over denominator 7 end fraction divided by fraction numerator 4 over denominator 1 end fraction equals fraction numerator 23 over denominator 7 end fraction cross times fraction numerator 1 over denominator 4 end fraction is true because the reciprocal of fraction numerator 4 over denominator 1 end fraction is fraction numerator 1 over denominator 4 end fraction.
    B) fraction numerator 18 over denominator 19 end fraction divided by 7 blank text is  end text fraction numerator 18 over denominator 19 end fraction divided by fraction numerator 7 over denominator 1 end fraction equals fraction numerator 18 over denominator 19 end fraction cross times fraction numerator 1 over denominator 7 end fraction is true because the reciprocal of fraction numerator 7 over denominator 1 end fraction is fraction numerator 1 over denominator 7 end fraction.
    C) fraction numerator 16 over denominator 17 end fraction divided by 9 blank text is  end text fraction numerator 16 over denominator 17 end fraction divided by fraction numerator 9 over denominator 1 end fraction equals fraction numerator 16 over denominator 17 end fraction cross times fraction numerator 1 over denominator 9 end fraction is true because the reciprocal of fraction numerator 9 over denominator 1 end fraction is fraction numerator 1 over denominator 9 end fraction.
    Therefore, All the equations are true.

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