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Add 18/5 and 15/12

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

18/5 + 15/12 is 97/20.

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,
    18/5 = 18 × 12/5 × 12 = 216/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    15/12 = 15 × 5/12 × 5 = 75/60
  4. Add the two like fractions:
    216/60 + 75/60 = 216 + 75/60 = 291/60
  5. 291/60 simplified gives 97/20
  6. So, 18/5 + 15/12 = 97/20
    In mixed form: 417/20

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