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Add 28/12 and 18/5

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

28/12 + 18/5 is 89/15.

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,
    28/12 = 28 × 5/12 × 5 = 140/60
  3. Likewise, for the 2nd fraction, since 5 × 12 = 60,
    18/5 = 18 × 12/5 × 12 = 216/60
  4. Add the two like fractions:
    140/60 + 216/60 = 140 + 216/60 = 356/60
  5. 356/60 simplified gives 89/15
  6. So, 28/12 + 18/5 = 89/15
    In mixed form: 514/15

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