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Add 15/10 and 12/3

1st number: 1 5/10, 2nd number: 4 0/3

15/10 + 12/3 is 11/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 3 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 10 × 3 = 30,
    15/10 = 15 × 3/10 × 3 = 45/30
  3. Likewise, for the 2nd fraction, since 3 × 10 = 30,
    12/3 = 12 × 10/3 × 10 = 120/30
  4. Add the two like fractions:
    45/30 + 120/30 = 45 + 120/30 = 165/30
  5. 165/30 simplified gives 11/2
  6. So, 15/10 + 12/3 = 11/2
    In mixed form: 51/2

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