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Add 81/18 and 30/9

1st number: 4 9/18, 2nd number: 3 3/9

81/18 + 30/9 is 47/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 9 is 18
  2. For the 1st fraction, since 18 × 1 = 18,
    81/18 = 81 × 1/18 × 1 = 81/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    30/9 = 30 × 2/9 × 2 = 60/18
  4. Add the two fractions:
    81/18 + 60/18 = 81 + 60/18 = 141/18
  5. 141/18 simplified gives 47/6
  6. So, 81/18 + 30/9 = 47/6
    In mixed form: 75/6

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