Mathematics
Grade5
Easy

Question

Estimate the sum of fraction numerator 15 over denominator 17 end fraction blankand fraction numerator 22 over denominator 23 end fraction by rounding to 0, fraction numerator 1 over denominator 2 end fraction, or 1.

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

Hint:

15 over 17 can be rounded to 1. left parenthesis 17 over 17 right parenthesis .

The correct answer is: 2


    fraction numerator 15 over denominator 17 end fraction can be rounded to 1
    fraction numerator 22 over denominator 23 end fraction can be rounded to 1
    So, the sum is 2

    15 over 17 can be rounded to 1 since it is closer to 17 over 17 .
    Similarly, 
    22 over 23 can be rounded to 1 since it is closer to 23 over 23 .
    After rounding off, we get:
    1 + 1 = 2
    The correct option is (b) 2

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