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Add 50/60 and 21/81

50/60 + 21/81 is 59/54.

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,
    50/60 = 50 × 27/60 × 27 = 1350/1620
  3. Likewise, for the 2nd fraction, since 81 × 20 = 1620,
    21/81 = 21 × 20/81 × 20 = 420/1620
  4. Add the two like fractions:
    1350/1620 + 420/1620 = 1350 + 420/1620 = 1770/1620
  5. 1770/1620 simplified gives 59/54
  6. So, 50/60 + 21/81 = 59/54
    In mixed form: 15/54

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