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Add 12/2 and 84/21

1st number: 6 0/2, 2nd number: 4 0/21

12/2 + 84/21 is 10/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 21 is 42
  2. For the 1st fraction, since 2 × 21 = 42,
    12/2 = 12 × 21/2 × 21 = 252/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    84/21 = 84 × 2/21 × 2 = 168/42
  4. Add the two fractions:
    252/42 + 168/42 = 252 + 168/42 = 420/42
  5. 420/42 simplified gives 10/1
  6. So, 12/2 + 84/21 = 10/1

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