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Add 72/15 and 3/12

1st number: 4 12/15, 2nd number: 3/12

72/15 + 3/12 is 101/20.

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,
    72/15 = 72 × 4/15 × 4 = 288/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    3/12 = 3 × 5/12 × 5 = 15/60
  4. Add the two fractions:
    288/60 + 15/60 = 288 + 15/60 = 303/60
  5. After reducing the fraction, the answer is 101/20
  6. In mixed form: 51/20

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