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Add 5/2 and 8/21

1st number: 2 1/2, 2nd number: 8/21

5/2 + 8/21 is 121/42.

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,
    5/2 = 5 × 21/2 × 21 = 105/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    8/21 = 8 × 2/21 × 2 = 16/42
  4. Add the two fractions:
    105/42 + 16/42 = 105 + 16/42 = 121/42
  5. So, 5/2 + 8/21 = 121/42
    In mixed form: 237/42

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