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Add 5/2 and 15/90

1st number: 2 1/2, 2nd number: 15/90

5/2 + 15/90 is 8/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 90 is 90
  2. For the 1st fraction, since 2 × 45 = 90,
    5/2 = 5 × 45/2 × 45 = 225/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    15/90 = 15 × 1/90 × 1 = 15/90
  4. Add the two fractions:
    225/90 + 15/90 = 225 + 15/90 = 240/90
  5. After reducing the fraction, the answer is 8/3
  6. In mixed form: 22/3

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