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Add 28/36 and 2/81

28/36 + 2/81 is 65/81.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 81 is 324
  2. For the 1st fraction, since 36 × 9 = 324,
    28/36 = 28 × 9/36 × 9 = 252/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    2/81 = 2 × 4/81 × 4 = 8/324
  4. Add the two fractions:
    252/324 + 8/324 = 252 + 8/324 = 260/324
  5. 260/324 simplified gives 65/81
  6. So, 28/36 + 2/81 = 65/81

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