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Add 81/9 and 54/12

1st number: 9 0/9, 2nd number: 4 6/12

81/9 + 54/12 is 27/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 12 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 9 × 4 = 36,
    81/9 = 81 × 4/9 × 4 = 324/36
  3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
    54/12 = 54 × 3/12 × 3 = 162/36
  4. Add the two like fractions:
    324/36 + 162/36 = 324 + 162/36 = 486/36
  5. 486/36 simplified gives 27/2
  6. So, 81/9 + 54/12 = 27/2
    In mixed form: 131/2

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