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Add 25/28 and 21/9

1st number: 25/28, 2nd number: 2 3/9

25/28 + 21/9 is 271/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 9 is 252
  2. For the 1st fraction, since 28 × 9 = 252,
    25/28 = 25 × 9/28 × 9 = 225/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    21/9 = 21 × 28/9 × 28 = 588/252
  4. Add the two fractions:
    225/252 + 588/252 = 225 + 588/252 = 813/252
  5. After reducing the fraction, the answer is 271/84
  6. In mixed form: 319/84

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