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Add 56/81 and 72/98

56/81 + 72/98 is 5660/3969.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 7938
  2. For the 1st fraction, since 81 × 98 = 7938,
    56/81 = 56 × 98/81 × 98 = 5488/7938
  3. Likewise, for the 2nd fraction, since 98 × 81 = 7938,
    72/98 = 72 × 81/98 × 81 = 5832/7938
  4. Add the two like fractions:
    5488/7938 + 5832/7938 = 5488 + 5832/7938 = 11320/7938
  5. 11320/7938 simplified gives 5660/3969
  6. So, 56/81 + 72/98 = 5660/3969
    In mixed form: 11691/3969

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