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Add 18/81 and 5/7

18/81 + 5/7 is 59/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 7 is 567

    Next, find the equivalent fraction of both fractional numbers with denominator 567
  2. For the 1st fraction, since 81 × 7 = 567,
    18/81 = 18 × 7/81 × 7 = 126/567
  3. Likewise, for the 2nd fraction, since 7 × 81 = 567,
    5/7 = 5 × 81/7 × 81 = 405/567
  4. Add the two like fractions:
    126/567 + 405/567 = 126 + 405/567 = 531/567
  5. 531/567 simplified gives 59/63
  6. So, 18/81 + 5/7 = 59/63

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