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Add 15/12 and 9/5

1st number: 1 3/12, 2nd number: 1 4/5

15/12 + 9/5 is 61/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 5 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 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 5 × 12 = 60,
    9/5 = 9 × 12/5 × 12 = 108/60
  4. Add the two like fractions:
    75/60 + 108/60 = 75 + 108/60 = 183/60
  5. 183/60 simplified gives 61/20
  6. So, 15/12 + 9/5 = 61/20
    In mixed form: 31/20

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