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Add 12/20 and 84/9

1st number: 12/20, 2nd number: 9 3/9

12/20 + 84/9 is 149/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 9 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    12/20 = 12 × 9/20 × 9 = 108/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    84/9 = 84 × 20/9 × 20 = 1680/180
  4. Add the two like fractions:
    108/180 + 1680/180 = 108 + 1680/180 = 1788/180
  5. 1788/180 simplified gives 149/15
  6. So, 12/20 + 84/9 = 149/15
    In mixed form: 914/15

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