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Add 20/81 and 12/16

20/81 + 12/16 is 323/324.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 16 is 1296

    Next, find the equivalent fraction of both fractional numbers with denominator 1296
  2. For the 1st fraction, since 81 × 16 = 1296,
    20/81 = 20 × 16/81 × 16 = 320/1296
  3. Likewise, for the 2nd fraction, since 16 × 81 = 1296,
    12/16 = 12 × 81/16 × 81 = 972/1296
  4. Add the two like fractions:
    320/1296 + 972/1296 = 320 + 972/1296 = 1292/1296
  5. 1292/1296 simplified gives 323/324
  6. So, 20/81 + 12/16 = 323/324

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