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Add 81/3 and 45/12

1st number: 27 0/3, 2nd number: 3 9/12

81/3 + 45/12 is 123/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 12 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 3 × 4 = 12,
    81/3 = 81 × 4/3 × 4 = 324/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    45/12 = 45 × 1/12 × 1 = 45/12
  4. Add the two like fractions:
    324/12 + 45/12 = 324 + 45/12 = 369/12
  5. 369/12 simplified gives 123/4
  6. So, 81/3 + 45/12 = 123/4
    In mixed form: 303/4

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