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Add 84/36 and 42/81

1st number: 2 12/36, 2nd number: 42/81

84/36 + 42/81 is 77/27.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 81 is 324

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 36 × 9 = 324,
    84/36 = 84 × 9/36 × 9 = 756/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    42/81 = 42 × 4/81 × 4 = 168/324
  4. Add the two like fractions:
    756/324 + 168/324 = 756 + 168/324 = 924/324
  5. 924/324 simplified gives 77/27
  6. So, 84/36 + 42/81 = 77/27
    In mixed form: 223/27

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