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Add 28/42 and 30/54

28/42 + 30/54 is 11/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 54 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 42 × 9 = 378,
    28/42 = 28 × 9/42 × 9 = 252/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    30/54 = 30 × 7/54 × 7 = 210/378
  4. Add the two like fractions:
    252/378 + 210/378 = 252 + 210/378 = 462/378
  5. 462/378 simplified gives 11/9
  6. So, 28/42 + 30/54 = 11/9
    In mixed form: 12/9

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