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Add 28/8 and 18/15

1st number: 3 4/8, 2nd number: 1 3/15

28/8 + 18/15 is 47/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 15 is 120
  2. For the 1st fraction, since 8 × 15 = 120,
    28/8 = 28 × 15/8 × 15 = 420/120
  3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
    18/15 = 18 × 8/15 × 8 = 144/120
  4. Add the two fractions:
    420/120 + 144/120 = 420 + 144/120 = 564/120
  5. After reducing the fraction, the answer is 47/10
  6. In mixed form: 47/10

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