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Add 5/4 and 3/12

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

5/4 + 3/12 is 3/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 12 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 4 × 3 = 12,
    5/4 = 5 × 3/4 × 3 = 15/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    3/12 = 3 × 1/12 × 1 = 3/12
  4. Add the two like fractions:
    15/12 + 3/12 = 15 + 3/12 = 18/12
  5. 18/12 simplified gives 3/2
  6. So, 5/4 + 3/12 = 3/2
    In mixed form: 11/2

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