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Add 4/81 and 21/98

4/81 + 21/98 is 299/1134.

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,
    4/81 = 4 × 98/81 × 98 = 392/7938
  3. Likewise, for the 2nd fraction, since 98 × 81 = 7938,
    21/98 = 21 × 81/98 × 81 = 1701/7938
  4. Add the two like fractions:
    392/7938 + 1701/7938 = 392 + 1701/7938 = 2093/7938
  5. 2093/7938 simplified gives 299/1134
  6. So, 4/81 + 21/98 = 299/1134

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