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Add 84/42 and 45/81

1st number: 2 0/42, 2nd number: 45/81

84/42 + 45/81 is 23/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 81 is 1134

    Next, find the equivalent fraction of both fractional numbers with denominator 1134
  2. For the 1st fraction, since 42 × 27 = 1134,
    84/42 = 84 × 27/42 × 27 = 2268/1134
  3. Likewise, for the 2nd fraction, since 81 × 14 = 1134,
    45/81 = 45 × 14/81 × 14 = 630/1134
  4. Add the two like fractions:
    2268/1134 + 630/1134 = 2268 + 630/1134 = 2898/1134
  5. 2898/1134 simplified gives 23/9
  6. So, 84/42 + 45/81 = 23/9
    In mixed form: 25/9

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