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Add 28/5 and 9/12

1st number: 5 3/5, 2nd number: 9/12

28/5 + 9/12 is 127/20.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 5 × 12 = 60,
    28/5 = 28 × 12/5 × 12 = 336/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    9/12 = 9 × 5/12 × 5 = 45/60
  4. Add the two like fractions:
    336/60 + 45/60 = 336 + 45/60 = 381/60
  5. 381/60 simplified gives 127/20
  6. So, 28/5 + 9/12 = 127/20
    In mixed form: 67/20

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