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Subtract 20/5 from 25/2

1st number: 12 1/2, 2nd number: 4 0/5

25/2 - 20/5 is 17/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 5 is 10
  2. For the 1st fraction, since 2 × 5 = 10,
    25/2 = 25 × 5/2 × 5 = 125/10
  3. Likewise, for the 2nd fraction, since 5 × 2 = 10,
    20/5 = 20 × 2/5 × 2 = 40/10
  4. Subtract the two fractions:
    125/10 - 40/10 = 125 - 40/10 = 85/10
  5. After reducing the fraction, the answer is 17/2
  6. In mixed form: 81/2

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