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Add 28/15 and 7/12

1st number: 1 13/15, 2nd number: 7/12

28/15 + 7/12 is 49/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 12 is 60
  2. For the 1st fraction, since 15 × 4 = 60,
    28/15 = 28 × 4/15 × 4 = 112/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    7/12 = 7 × 5/12 × 5 = 35/60
  4. Add the two fractions:
    112/60 + 35/60 = 112 + 35/60 = 147/60
  5. After reducing the fraction, the answer is 49/20
  6. In mixed form: 29/20

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