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Add 9/28 and 12/9

1st number: 9/28, 2nd number: 1 3/9

9/28 + 12/9 is 139/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 9 is 252
  2. For the 1st fraction, since 28 × 9 = 252,
    9/28 = 9 × 9/28 × 9 = 81/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    12/9 = 12 × 28/9 × 28 = 336/252
  4. Add the two fractions:
    81/252 + 336/252 = 81 + 336/252 = 417/252
  5. After reducing the fraction, the answer is 139/84
  6. In mixed form: 155/84

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