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Add 36/4 and 21/12

1st number: 9 0/4, 2nd number: 1 9/12

36/4 + 21/12 is 43/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 12 is 12
  2. For the 1st fraction, since 4 × 3 = 12,
    36/4 = 36 × 3/4 × 3 = 108/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    21/12 = 21 × 1/12 × 1 = 21/12
  4. Add the two fractions:
    108/12 + 21/12 = 108 + 21/12 = 129/12
  5. After reducing the fraction, the answer is 43/4
  6. In mixed form: 103/4

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