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Add 18/15 and 20/8

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

18/15 + 20/8 is 37/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 8 is 120
  2. For the 1st fraction, since 15 × 8 = 120,
    18/15 = 18 × 8/15 × 8 = 144/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    20/8 = 20 × 15/8 × 15 = 300/120
  4. Add the two fractions:
    144/120 + 300/120 = 144 + 300/120 = 444/120
  5. After reducing the fraction, the answer is 37/10
  6. In mixed form: 37/10

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