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Add 30/12 and 20/54

1st number: 2 6/12, 2nd number: 20/54

30/12 + 20/54 is 155/54.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 54 is 108

    Next, find the equivalent fraction of both fractional numbers with denominator 108
  2. For the 1st fraction, since 12 × 9 = 108,
    30/12 = 30 × 9/12 × 9 = 270/108
  3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
    20/54 = 20 × 2/54 × 2 = 40/108
  4. Add the two like fractions:
    270/108 + 40/108 = 270 + 40/108 = 310/108
  5. 310/108 simplified gives 155/54
  6. So, 30/12 + 20/54 = 155/54
    In mixed form: 247/54

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