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Add 7/12 and 9/15

7/12 + 9/15 is 71/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 15 is 60
  2. For the 1st fraction, since 12 × 5 = 60,
    7/12 = 7 × 5/12 × 5 = 35/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    9/15 = 9 × 4/15 × 4 = 36/60
  4. Add the two fractions:
    35/60 + 36/60 = 35 + 36/60 = 71/60
  5. In mixed form: 111/60

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