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Add 30/81 and 20/36

30/81 + 20/36 is 25/27.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 81 and 36 is 324

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 81 × 4 = 324,
    30/81 = 30 × 4/81 × 4 = 120/324
  3. Likewise, for the 2nd fraction, since 36 × 9 = 324,
    20/36 = 20 × 9/36 × 9 = 180/324
  4. Add the two like fractions:
    120/324 + 180/324 = 120 + 180/324 = 300/324
  5. 300/324 simplified gives 25/27
  6. So, 30/81 + 20/36 = 25/27

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