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Add 28/15 and 12/28

1st number: 1 13/15, 2nd number: 12/28

28/15 + 12/28 is 241/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 28 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 15 × 28 = 420,
    28/15 = 28 × 28/15 × 28 = 784/420
  3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
    12/28 = 12 × 15/28 × 15 = 180/420
  4. Add the two like fractions:
    784/420 + 180/420 = 784 + 180/420 = 964/420
  5. 964/420 simplified gives 241/105
  6. So, 28/15 + 12/28 = 241/105
    In mixed form: 231/105

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