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Add 21/2 and 12/42

1st number: 10 1/2, 2nd number: 12/42

21/2 + 12/42 is 151/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 42 is 42
  2. For the 1st fraction, since 2 × 21 = 42,
    21/2 = 21 × 21/2 × 21 = 441/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    12/42 = 12 × 1/42 × 1 = 12/42
  4. Add the two fractions:
    441/42 + 12/42 = 441 + 12/42 = 453/42
  5. After reducing the fraction, the answer is 151/14
  6. In mixed form: 1011/14

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