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Add 12/9 and 5/84

1st number: 1 3/9, 2nd number: 5/84

12/9 + 5/84 is 39/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 84 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 9 × 28 = 252,
    12/9 = 12 × 28/9 × 28 = 336/252
  3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
    5/84 = 5 × 3/84 × 3 = 15/252
  4. Add the two like fractions:
    336/252 + 15/252 = 336 + 15/252 = 351/252
  5. 351/252 simplified gives 39/28
  6. So, 12/9 + 5/84 = 39/28
    In mixed form: 111/28

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