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Subtract 12/15 from 25/10

1st number: 2 5/10, 2nd number: 12/15

25/10 - 12/15 is 17/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 15 is 30
  2. For the 1st fraction, since 10 × 3 = 30,
    25/10 = 25 × 3/10 × 3 = 75/30
  3. Likewise, for the 2nd fraction, since 15 × 2 = 30,
    12/15 = 12 × 2/15 × 2 = 24/30
  4. Subtract the two fractions:
    75/30 - 24/30 = 75 - 24/30 = 51/30
  5. After reducing the fraction, the answer is 17/10
  6. In mixed form: 17/10

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