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Add 18/81 and 20/35

18/81 + 20/35 is 50/63.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 2835
  2. For the 1st fraction, since 81 × 35 = 2835,
    18/81 = 18 × 35/81 × 35 = 630/2835
  3. Likewise, for the 2nd fraction, since 35 × 81 = 2835,
    20/35 = 20 × 81/35 × 81 = 1620/2835
  4. Add the two like fractions:
    630/2835 + 1620/2835 = 630 + 1620/2835 = 2250/2835
  5. 2250/2835 simplified gives 50/63
  6. So, 18/81 + 20/35 = 50/63

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