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Add 15/12 and 72/30

1st number: 1 3/12, 2nd number: 2 12/30

15/12 + 72/30 is 73/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 30 is 60
  2. For the 1st fraction, since 12 × 5 = 60,
    15/12 = 15 × 5/12 × 5 = 75/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    72/30 = 72 × 2/30 × 2 = 144/60
  4. Add the two fractions:
    75/60 + 144/60 = 75 + 144/60 = 219/60
  5. After reducing the fraction, the answer is 73/20
  6. In mixed form: 313/20

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