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Add 6/12 and 20/81

6/12 + 20/81 is 121/162.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 81 is 324

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 12 × 27 = 324,
    6/12 = 6 × 27/12 × 27 = 162/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    20/81 = 20 × 4/81 × 4 = 80/324
  4. Add the two like fractions:
    162/324 + 80/324 = 162 + 80/324 = 242/324
  5. 242/324 simplified gives 121/162
  6. So, 6/12 + 20/81 = 121/162

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