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Add 28/12 and 21/54

1st number: 2 4/12, 2nd number: 21/54

28/12 + 21/54 is 49/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 54 is 108
  2. For the 1st fraction, since 12 × 9 = 108,
    28/12 = 28 × 9/12 × 9 = 252/108
  3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
    21/54 = 21 × 2/54 × 2 = 42/108
  4. Add the two fractions:
    252/108 + 42/108 = 252 + 42/108 = 294/108
  5. 294/108 simplified gives 49/18
  6. So, 28/12 + 21/54 = 49/18
    In mixed form: 213/18

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