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Add 15/12 and 30/7

1st number: 1 3/12, 2nd number: 4 2/7

15/12 + 30/7 is 155/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 7 is 84
  2. For the 1st fraction, since 12 × 7 = 84,
    15/12 = 15 × 7/12 × 7 = 105/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    30/7 = 30 × 12/7 × 12 = 360/84
  4. Add the two fractions:
    105/84 + 360/84 = 105 + 360/84 = 465/84
  5. 465/84 simplified gives 155/28
  6. So, 15/12 + 30/7 = 155/28
    In mixed form: 515/28

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