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Add 18/12 and 3/4

1st number: 1 6/12, 2nd number: 3/4

18/12 + 3/4 is 9/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 4 is 12
  2. For the 1st fraction, since 12 × 1 = 12,
    18/12 = 18 × 1/12 × 1 = 18/12
  3. Likewise, for the 2nd fraction, since 4 × 3 = 12,
    3/4 = 3 × 3/4 × 3 = 9/12
  4. Add the two fractions:
    18/12 + 9/12 = 18 + 9/12 = 27/12
  5. After reducing the fraction, the answer is 9/4
  6. In mixed form: 21/4

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