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Subtract 15/12 from 10/35

1st number: 10/35, 2nd number: 1 3/12

10/35 - 15/12 is -27/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 12 is 420
  2. For the 1st fraction, since 35 × 12 = 420,
    10/35 = 10 × 12/35 × 12 = 120/420
  3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
    15/12 = 15 × 35/12 × 35 = 525/420
  4. Subtract the two fractions:
    120/420 - 525/420 = 120 - 525/420 = -405/420
  5. After reducing the fraction, the answer is -27/28

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