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Add 90/25 and 28/42

1st number: 3 15/25, 2nd number: 28/42

90/25 + 28/42 is 64/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 42 is 1050
  2. For the 1st fraction, since 25 × 42 = 1050,
    90/25 = 90 × 42/25 × 42 = 3780/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    28/42 = 28 × 25/42 × 25 = 700/1050
  4. Add the two fractions:
    3780/1050 + 700/1050 = 3780 + 700/1050 = 4480/1050
  5. After reducing the fraction, the answer is 64/15
  6. In mixed form: 44/15

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