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Add 8/81 and 90/98

8/81 + 90/98 is 4037/3969.

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,
    8/81 = 8 × 98/81 × 98 = 784/7938
  3. Likewise, for the 2nd fraction, since 98 × 81 = 7938,
    90/98 = 90 × 81/98 × 81 = 7290/7938
  4. Add the two like fractions:
    784/7938 + 7290/7938 = 784 + 7290/7938 = 8074/7938
  5. 8074/7938 simplified gives 4037/3969
  6. So, 8/81 + 90/98 = 4037/3969
    In mixed form: 168/3969

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