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Add 81/12 and 60/9

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

81/12 + 60/9 is 161/12.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    81/12 = 81 × 3/12 × 3 = 243/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    60/9 = 60 × 4/9 × 4 = 240/36
  4. Add the two like fractions:
    243/36 + 240/36 = 243 + 240/36 = 483/36
  5. 483/36 simplified gives 161/12
  6. So, 81/12 + 60/9 = 161/12
    In mixed form: 135/12

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