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Add 18/30 and 54/81

18/30 + 54/81 is 19/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 81 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 30 × 27 = 810,
    18/30 = 18 × 27/30 × 27 = 486/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    54/81 = 54 × 10/81 × 10 = 540/810
  4. Add the two like fractions:
    486/810 + 540/810 = 486 + 540/810 = 1026/810
  5. 1026/810 simplified gives 19/15
  6. So, 18/30 + 54/81 = 19/15
    In mixed form: 14/15

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