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Add 12/18 and 28/49

12/18 + 28/49 is 26/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 49 is 882

    Next, find the equivalent fraction of both fractional numbers with denominator 882
  2. For the 1st fraction, since 18 × 49 = 882,
    12/18 = 12 × 49/18 × 49 = 588/882
  3. Likewise, for the 2nd fraction, since 49 × 18 = 882,
    28/49 = 28 × 18/49 × 18 = 504/882
  4. Add the two like fractions:
    588/882 + 504/882 = 588 + 504/882 = 1092/882
  5. 1092/882 simplified gives 26/21
  6. So, 12/18 + 28/49 = 26/21
    In mixed form: 15/21

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