Mathematics
Grade5
Easy

Question

Add 9 over 12 space plus space 2 over 12.

  1. 11 over 12
  2. 11 over 24
  3. 1 half
  4. 1 third

hintHint:

In this question we have to add two fractions for that we have to make denominator same this can be done by taking LCM. LCM is the least common multiple of two integers. We will use the prime factorization method to find the LCM. In prime factorization method the simply put the factor of each number and then for LCM we take product of factors by considering the repeated factors only one time with highest exponent. But in this question we have given like fraction so we just need to add the numerator.

The correct answer is: 11 over 12


    Step1: First we will calculate  all the prime factors of the denominators but in this question we are given like fractions so we just need to add the numerator to get the answer.
    9 over 12 plus 2 over 12 equals fraction numerator 9 plus 2 over denominator 11 end fraction
    equals greater than space 11 over 12

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