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Add 12/15 and 84/12

1st number: 12/15, 2nd number: 7 0/12

12/15 + 84/12 is 39/5.

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,
    12/15 = 12 × 4/15 × 4 = 48/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    84/12 = 84 × 5/12 × 5 = 420/60
  4. Add the two fractions:
    48/60 + 420/60 = 48 + 420/60 = 468/60
  5. 468/60 simplified gives 39/5
  6. So, 12/15 + 84/12 = 39/5
    In mixed form: 74/5

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