Mathematics
Grade-7
Easy

Question

The greatest among fraction numerator negative 4 over denominator 9 end fraction comma fraction numerator 5 over denominator negative 12 end fraction comma fraction numerator 7 over denominator negative 18 end fraction comma fraction numerator 2 over denominator negative 3 end fraction is ____

  1. fraction numerator 7 over denominator negative 18 end fraction
  2. fraction numerator negative 4 over denominator 9 end fraction
  3. fraction numerator 2 over denominator negative 3 end fraction
  4. fraction numerator 5 over denominator negative 12 end fraction

hintHint:

In case of negative numbers, the value with the least numerical value will be the largest one.

The correct answer is: fraction numerator 7 over denominator negative 18 end fraction


    The given fractions are  fraction numerator negative 4 over denominator 9 end fraction comma fraction numerator 5 over denominator negative 12 end fraction comma fraction numerator 7 over denominator negative 18 end fraction comma fraction numerator 2 over denominator negative 3 end fraction. All of these are negative, Thus, the numerically least value will be the largest value. Converting them to decimal, we get:
    fraction numerator negative 4 over denominator 9 end fraction equals negative 0.444
    fraction numerator 5 over denominator negative 12 end fraction equals negative 0.4167
    fraction numerator negative 7 over denominator 18 end fraction equals negative 0.3889
    fraction numerator negative 2 over denominator 3 end fraction equals negative 0.667
    Thus, the largest number is fraction numerator negative 7 over denominator 18 end fraction equals negative 0.3889.
    Hence, the correct answer is option a.

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