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Add 28/81 and 18/49

28/81 + 18/49 is 2830/3969.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 49 is 3969

    Next, find the equivalent fraction of both fractional numbers with denominator 3969
  2. For the 1st fraction, since 81 × 49 = 3969,
    28/81 = 28 × 49/81 × 49 = 1372/3969
  3. Likewise, for the 2nd fraction, since 49 × 81 = 3969,
    18/49 = 18 × 81/49 × 81 = 1458/3969
  4. Add the two like fractions:
    1372/3969 + 1458/3969 = 1372 + 1458/3969 = 2830/3969
  5. So, 28/81 + 18/49 = 2830/3969

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