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Add 18/4 and 15/54

1st number: 4 2/4, 2nd number: 15/54

18/4 + 15/54 is 43/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 54 is 108

    Next, find the equivalent fraction of both fractional numbers with denominator 108
  2. For the 1st fraction, since 4 × 27 = 108,
    18/4 = 18 × 27/4 × 27 = 486/108
  3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
    15/54 = 15 × 2/54 × 2 = 30/108
  4. Add the two like fractions:
    486/108 + 30/108 = 486 + 30/108 = 516/108
  5. 516/108 simplified gives 43/9
  6. So, 18/4 + 15/54 = 43/9
    In mixed form: 47/9

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