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Subtract 9/10 from 3/24

3/24 - 9/10 is -31/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 10 is 120
  2. For the 1st fraction, since 24 × 5 = 120,
    3/24 = 3 × 5/24 × 5 = 15/120
  3. Likewise, for the 2nd fraction, since 10 × 12 = 120,
    9/10 = 9 × 12/10 × 12 = 108/120
  4. Subtract the two fractions:
    15/120 - 108/120 = 15 - 108/120 = -93/120
  5. After reducing the fraction, the answer is -31/40

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