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Add 21/2 and 1/42

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

21/2 + 1/42 is 221/21.

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,
    1/42 = 1 × 1/42 × 1 = 1/42
  4. Add the two fractions:
    441/42 + 1/42 = 441 + 1/42 = 442/42
  5. 442/42 simplified gives 221/21
  6. So, 21/2 + 1/42 = 221/21
    In mixed form: 1011/21

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