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Add 30/36 and 5/81

30/36 + 5/81 is 145/162.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 81 is 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,
    5/81 = 5 × 4/81 × 4 = 20/324
  4. Add the two fractions:
    270/324 + 20/324 = 270 + 20/324 = 290/324
  5. 290/324 simplified gives 145/162
  6. So, 30/36 + 5/81 = 145/162

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