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Add 5/7 and 12/54

5/7 + 12/54 is 59/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 54 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 7 × 54 = 378,
    5/7 = 5 × 54/7 × 54 = 270/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    12/54 = 12 × 7/54 × 7 = 84/378
  4. Add the two like fractions:
    270/378 + 84/378 = 270 + 84/378 = 354/378
  5. 354/378 simplified gives 59/63
  6. So, 5/7 + 12/54 = 59/63

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