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Add 1/4 and 84/81

1st number: 1/4, 2nd number: 1 3/81

1/4 + 84/81 is 139/108.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 81 is 324

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 4 × 81 = 324,
    1/4 = 1 × 81/4 × 81 = 81/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    84/81 = 84 × 4/81 × 4 = 336/324
  4. Add the two like fractions:
    81/324 + 336/324 = 81 + 336/324 = 417/324
  5. 417/324 simplified gives 139/108
  6. So, 1/4 + 84/81 = 139/108
    In mixed form: 131/108

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