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Add 9/12 and 81/5

1st number: 9/12, 2nd number: 16 1/5

9/12 + 81/5 is 339/20.

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,
    9/12 = 9 × 5/12 × 5 = 45/60
  3. Likewise, for the 2nd fraction, since 5 × 12 = 60,
    81/5 = 81 × 12/5 × 12 = 972/60
  4. Add the two like fractions:
    45/60 + 972/60 = 45 + 972/60 = 1017/60
  5. 1017/60 simplified gives 339/20
  6. So, 9/12 + 81/5 = 339/20
    In mixed form: 1619/20

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