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Add 42/54 and 18/63

42/54 + 18/63 is 67/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 63 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    42/54 = 42 × 7/54 × 7 = 294/378
  3. Likewise, for the 2nd fraction, since 63 × 6 = 378,
    18/63 = 18 × 6/63 × 6 = 108/378
  4. Add the two like fractions:
    294/378 + 108/378 = 294 + 108/378 = 402/378
  5. 402/378 simplified gives 67/63
  6. So, 42/54 + 18/63 = 67/63
    In mixed form: 14/63

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