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Add 5/4 and 3/15

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

5/4 + 3/15 is 29/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 15 is 60
  2. For the 1st fraction, since 4 × 15 = 60,
    5/4 = 5 × 15/4 × 15 = 75/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    3/15 = 3 × 4/15 × 4 = 12/60
  4. Add the two fractions:
    75/60 + 12/60 = 75 + 12/60 = 87/60
  5. After reducing the fraction, the answer is 29/20
  6. In mixed form: 19/20

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