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Add 18/60 and 10/81

18/60 + 10/81 is 343/810.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 81 is 1620

    Next, find the equivalent fraction of both fractional numbers with denominator 1620
  2. For the 1st fraction, since 60 × 27 = 1620,
    18/60 = 18 × 27/60 × 27 = 486/1620
  3. Likewise, for the 2nd fraction, since 81 × 20 = 1620,
    10/81 = 10 × 20/81 × 20 = 200/1620
  4. Add the two like fractions:
    486/1620 + 200/1620 = 486 + 200/1620 = 686/1620
  5. 686/1620 simplified gives 343/810
  6. So, 18/60 + 10/81 = 343/810

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