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Add 30/36 and 25/81

30/36 + 25/81 is 185/162.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 36 × 9 = 324,
    30/36 = 30 × 9/36 × 9 = 270/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    25/81 = 25 × 4/81 × 4 = 100/324
  4. Add the two like fractions:
    270/324 + 100/324 = 270 + 100/324 = 370/324
  5. 370/324 simplified gives 185/162
  6. So, 30/36 + 25/81 = 185/162
    In mixed form: 123/162

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