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Add 72/18 and 81/54

1st number: 4 0/18, 2nd number: 1 27/54

72/18 + 81/54 is 11/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 54 is 54
  2. For the 1st fraction, since 18 × 3 = 54,
    72/18 = 72 × 3/18 × 3 = 216/54
  3. Likewise, for the 2nd fraction, since 54 × 1 = 54,
    81/54 = 81 × 1/54 × 1 = 81/54
  4. Add the two fractions:
    216/54 + 81/54 = 216 + 81/54 = 297/54
  5. 297/54 simplified gives 11/2
  6. So, 72/18 + 81/54 = 11/2
    In mixed form: 51/2

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