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Add 56/15 and 18/12

1st number: 3 11/15, 2nd number: 1 6/12

56/15 + 18/12 is 157/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 12 is 60
  2. For the 1st fraction, since 15 × 4 = 60,
    56/15 = 56 × 4/15 × 4 = 224/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    18/12 = 18 × 5/12 × 5 = 90/60
  4. Add the two fractions:
    224/60 + 90/60 = 224 + 90/60 = 314/60
  5. After reducing the fraction, the answer is 157/30
  6. In mixed form: 57/30

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