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Add 18/28 and 12/9

1st number: 18/28, 2nd number: 1 3/9

18/28 + 12/9 is 83/42.

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,
    18/28 = 18 × 9/28 × 9 = 162/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    12/9 = 12 × 28/9 × 28 = 336/252
  4. Add the two fractions:
    162/252 + 336/252 = 162 + 336/252 = 498/252
  5. After reducing the fraction, the answer is 83/42
  6. In mixed form: 141/42

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