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Add 12/14 and 42/54

12/14 + 42/54 is 103/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 54 is 378
  2. For the 1st fraction, since 14 × 27 = 378,
    12/14 = 12 × 27/14 × 27 = 324/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    42/54 = 42 × 7/54 × 7 = 294/378
  4. Add the two fractions:
    324/378 + 294/378 = 324 + 294/378 = 618/378
  5. After reducing the fraction, the answer is 103/63
  6. In mixed form: 140/63

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