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Add 18/98 and 28/81

18/98 + 28/81 is 2101/3969.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 81 is 7938

    Next, find the equivalent fraction of both fractional numbers with denominator 7938
  2. For the 1st fraction, since 98 × 81 = 7938,
    18/98 = 18 × 81/98 × 81 = 1458/7938
  3. Likewise, for the 2nd fraction, since 81 × 98 = 7938,
    28/81 = 28 × 98/81 × 98 = 2744/7938
  4. Add the two like fractions:
    1458/7938 + 2744/7938 = 1458 + 2744/7938 = 4202/7938
  5. 4202/7938 simplified gives 2101/3969
  6. So, 18/98 + 28/81 = 2101/3969

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