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Add 28/15 and 18/12

1st number: 1 13/15, 2nd number: 1 6/12

28/15 + 18/12 is 101/30.

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,
    18/12 = 18 × 5/12 × 5 = 90/60
  4. Add the two fractions:
    112/60 + 90/60 = 112 + 90/60 = 202/60
  5. After reducing the fraction, the answer is 101/30
  6. In mixed form: 311/30

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