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Add 15/12 and 9/3

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

15/12 + 9/3 is 17/4.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 12 × 1 = 12,
    15/12 = 15 × 1/12 × 1 = 15/12
  3. Likewise, for the 2nd fraction, since 3 × 4 = 12,
    9/3 = 9 × 4/3 × 4 = 36/12
  4. Add the two like fractions:
    15/12 + 36/12 = 15 + 36/12 = 51/12
  5. 51/12 simplified gives 17/4
  6. So, 15/12 + 9/3 = 17/4
    In mixed form: 41/4

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