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Subtract 9/10 from 5/2

1st number: 2 1/2, 2nd number: 9/10

5/2 - 9/10 is 8/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 10 is 10
  2. For the 1st fraction, since 2 × 5 = 10,
    5/2 = 5 × 5/2 × 5 = 25/10
  3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
    9/10 = 9 × 1/10 × 1 = 9/10
  4. Subtract the two fractions:
    25/10 - 9/10 = 25 - 9/10 = 16/10
  5. After reducing the fraction, the answer is 8/5
  6. In mixed form: 13/5

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