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Subtract 3/9 from 10/35

10/35 - 3/9 is -1/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 9 is 315
  2. For the 1st fraction, since 35 × 9 = 315,
    10/35 = 10 × 9/35 × 9 = 90/315
  3. Likewise, for the 2nd fraction, since 9 × 35 = 315,
    3/9 = 3 × 35/9 × 35 = 105/315
  4. Subtract the two fractions:
    90/315 - 105/315 = 90 - 105/315 = -15/315
  5. After reducing the fraction, the answer is -1/21

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