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Add 12/14 and 84/21

1st number: 12/14, 2nd number: 4 0/21

12/14 + 84/21 is 34/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 21 is 42
  2. For the 1st fraction, since 14 × 3 = 42,
    12/14 = 12 × 3/14 × 3 = 36/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    84/21 = 84 × 2/21 × 2 = 168/42
  4. Add the two fractions:
    36/42 + 168/42 = 36 + 168/42 = 204/42
  5. 204/42 simplified gives 34/7
  6. So, 12/14 + 84/21 = 34/7
    In mixed form: 46/7

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