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Add 15/12 and 9/40

1st number: 1 3/12, 2nd number: 9/40

15/12 + 9/40 is 59/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 40 is 120
  2. For the 1st fraction, since 12 × 10 = 120,
    15/12 = 15 × 10/12 × 10 = 150/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    9/40 = 9 × 3/40 × 3 = 27/120
  4. Add the two fractions:
    150/120 + 27/120 = 150 + 27/120 = 177/120
  5. After reducing the fraction, the answer is 59/40
  6. In mixed form: 119/40

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