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Add 1/28 and 84/81

1st number: 1/28, 2nd number: 1 3/81

1/28 + 84/81 is 811/756.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 81 is 2268
  2. For the 1st fraction, since 28 × 81 = 2268,
    1/28 = 1 × 81/28 × 81 = 81/2268
  3. Likewise, for the 2nd fraction, since 81 × 28 = 2268,
    84/81 = 84 × 28/81 × 28 = 2352/2268
  4. Add the two fractions:
    81/2268 + 2352/2268 = 81 + 2352/2268 = 2433/2268
  5. After reducing the fraction, the answer is 811/756
  6. In mixed form: 155/756

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