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Add 12/54 and 27/42

12/54 + 27/42 is 109/126.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    12/54 = 12 × 7/54 × 7 = 84/378
  3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
    27/42 = 27 × 9/42 × 9 = 243/378
  4. Add the two like fractions:
    84/378 + 243/378 = 84 + 243/378 = 327/378
  5. 327/378 simplified gives 109/126
  6. So, 12/54 + 27/42 = 109/126

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