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Add 18/3 and 54/42

1st number: 6 0/3, 2nd number: 1 12/42

18/3 + 54/42 is 51/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 42 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 3 × 14 = 42,
    18/3 = 18 × 14/3 × 14 = 252/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    54/42 = 54 × 1/42 × 1 = 54/42
  4. Add the two like fractions:
    252/42 + 54/42 = 252 + 54/42 = 306/42
  5. 306/42 simplified gives 51/7
  6. So, 18/3 + 54/42 = 51/7
    In mixed form: 72/7

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