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Add 3/42 and 5/54

3/42 + 5/54 is 31/189.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 54 is 378
  2. For the 1st fraction, since 42 × 9 = 378,
    3/42 = 3 × 9/42 × 9 = 27/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    5/54 = 5 × 7/54 × 7 = 35/378
  4. Add the two fractions:
    27/378 + 35/378 = 27 + 35/378 = 62/378
  5. After reducing the fraction, the answer is 31/189

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