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Add 28/30 and 12/15

28/30 + 12/15 is 26/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 15 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 30 × 1 = 30,
    28/30 = 28 × 1/30 × 1 = 28/30
  3. Likewise, for the 2nd fraction, since 15 × 2 = 30,
    12/15 = 12 × 2/15 × 2 = 24/30
  4. Add the two like fractions:
    28/30 + 24/30 = 28 + 24/30 = 52/30
  5. 52/30 simplified gives 26/15
  6. So, 28/30 + 12/15 = 26/15
    In mixed form: 111/15

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