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Add 27/42 and 7/54

27/42 + 7/54 is 146/189.

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,
    27/42 = 27 × 9/42 × 9 = 243/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    7/54 = 7 × 7/54 × 7 = 49/378
  4. Add the two like fractions:
    243/378 + 49/378 = 243 + 49/378 = 292/378
  5. 292/378 simplified gives 146/189
  6. So, 27/42 + 7/54 = 146/189

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