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Add 42/3 and 18/81

1st number: 14 0/3, 2nd number: 18/81

42/3 + 18/81 is 128/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 81 is 81

    Next, find the equivalent fraction of both fractional numbers with denominator 81
  2. For the 1st fraction, since 3 × 27 = 81,
    42/3 = 42 × 27/3 × 27 = 1134/81
  3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
    18/81 = 18 × 1/81 × 1 = 18/81
  4. Add the two like fractions:
    1134/81 + 18/81 = 1134 + 18/81 = 1152/81
  5. 1152/81 simplified gives 128/9
  6. So, 42/3 + 18/81 = 128/9
    In mixed form: 142/9

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