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Add 12/15 and 18/35

12/15 + 18/35 is 46/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 35 is 105
  2. For the 1st fraction, since 15 × 7 = 105,
    12/15 = 12 × 7/15 × 7 = 84/105
  3. Likewise, for the 2nd fraction, since 35 × 3 = 105,
    18/35 = 18 × 3/35 × 3 = 54/105
  4. Add the two fractions:
    84/105 + 54/105 = 84 + 54/105 = 138/105
  5. After reducing the fraction, the answer is 46/35
  6. In mixed form: 111/35

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