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Add 6/60 and 15/81

6/60 + 15/81 is 77/270.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 81 is 1620
  2. For the 1st fraction, since 60 × 27 = 1620,
    6/60 = 6 × 27/60 × 27 = 162/1620
  3. Likewise, for the 2nd fraction, since 81 × 20 = 1620,
    15/81 = 15 × 20/81 × 20 = 300/1620
  4. Add the two fractions:
    162/1620 + 300/1620 = 162 + 300/1620 = 462/1620
  5. 462/1620 simplified gives 77/270
  6. So, 6/60 + 15/81 = 77/270

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