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Add 56/3 and 21/12

1st number: 18 2/3, 2nd number: 1 9/12

56/3 + 21/12 is 245/12.

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,
    56/3 = 56 × 4/3 × 4 = 224/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    21/12 = 21 × 1/12 × 1 = 21/12
  4. Add the two fractions:
    224/12 + 21/12 = 224 + 21/12 = 245/12
  5. In mixed form: 205/12

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