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Add 5/42 and 12/27

5/42 + 12/27 is 71/126.

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,
    5/42 = 5 × 9/42 × 9 = 45/378
  3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
    12/27 = 12 × 14/27 × 14 = 168/378
  4. Add the two like fractions:
    45/378 + 168/378 = 45 + 168/378 = 213/378
  5. 213/378 simplified gives 71/126
  6. So, 5/42 + 12/27 = 71/126

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