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Add 18/42 and 4/27

18/42 + 4/27 is 109/189.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 27 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 42 × 9 = 378,
    18/42 = 18 × 9/42 × 9 = 162/378
  3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
    4/27 = 4 × 14/27 × 14 = 56/378
  4. Add the two like fractions:
    162/378 + 56/378 = 162 + 56/378 = 218/378
  5. 218/378 simplified gives 109/189
  6. So, 18/42 + 4/27 = 109/189

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