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Add 18/35 and 12/81

18/35 + 12/81 is 626/945.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 81 is 2835

    Next, find the equivalent fraction of both fractional numbers with denominator 2835
  2. For the 1st fraction, since 35 × 81 = 2835,
    18/35 = 18 × 81/35 × 81 = 1458/2835
  3. Likewise, for the 2nd fraction, since 81 × 35 = 2835,
    12/81 = 12 × 35/81 × 35 = 420/2835
  4. Add the two like fractions:
    1458/2835 + 420/2835 = 1458 + 420/2835 = 1878/2835
  5. 1878/2835 simplified gives 626/945
  6. So, 18/35 + 12/81 = 626/945

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