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Add 9/21 and 2/81

9/21 + 2/81 is 257/567.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 81 is 567

    Next, find the equivalent fraction of both fractional numbers with denominator 567
  2. For the 1st fraction, since 21 × 27 = 567,
    9/21 = 9 × 27/21 × 27 = 243/567
  3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
    2/81 = 2 × 7/81 × 7 = 14/567
  4. Add the two like fractions:
    243/567 + 14/567 = 243 + 14/567 = 257/567
  5. So, 9/21 + 2/81 = 257/567

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