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Add 28/9 and 15/12

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

28/9 + 15/12 is 157/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 12 is 36
  2. For the 1st fraction, since 9 × 4 = 36,
    28/9 = 28 × 4/9 × 4 = 112/36
  3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
    15/12 = 15 × 3/12 × 3 = 45/36
  4. Add the two fractions:
    112/36 + 45/36 = 112 + 45/36 = 157/36
  5. In mixed form: 413/36

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