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Add 18/3 and 20/12

1st number: 6 0/3, 2nd number: 1 8/12

18/3 + 20/12 is 23/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 12 is 12
  2. For the 1st fraction, since 3 × 4 = 12,
    18/3 = 18 × 4/3 × 4 = 72/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    20/12 = 20 × 1/12 × 1 = 20/12
  4. Add the two fractions:
    72/12 + 20/12 = 72 + 20/12 = 92/12
  5. After reducing the fraction, the answer is 23/3
  6. In mixed form: 72/3

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