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Subtract 20/24 from 1/15

1/15 - 20/24 is -23/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 24 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 15 × 8 = 120,
    1/15 = 1 × 8/15 × 8 = 8/120
  3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
    20/24 = 20 × 5/24 × 5 = 100/120
  4. Subtract the two like fractions:
    8/120 - 100/120 = 8 - 100/120 = -92/120
  5. After reducing the fraction, the answer is -23/30

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