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Add 2/54 and 40/42

2/54 + 40/42 is 187/189.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 42 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 54 × 7 = 378,
    2/54 = 2 × 7/54 × 7 = 14/378
  3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
    40/42 = 40 × 9/42 × 9 = 360/378
  4. Add the two like fractions:
    14/378 + 360/378 = 14 + 360/378 = 374/378
  5. 374/378 simplified gives 187/189
  6. So, 2/54 + 40/42 = 187/189

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