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Subtract 18/24 from 3/10

3/10 - 18/24 is -9/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 24 is 120
  2. For the 1st fraction, since 10 × 12 = 120,
    3/10 = 3 × 12/10 × 12 = 36/120
  3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
    18/24 = 18 × 5/24 × 5 = 90/120
  4. Subtract the two fractions:
    36/120 - 90/120 = 36 - 90/120 = -54/120
  5. After reducing the fraction, the answer is -9/20

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