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Subtract 81/32 from 20/24

1st number: 20/24, 2nd number: 2 17/32

20/24 - 81/32 is -163/96.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 32 is 96

    Next, find the equivalent fraction of both fractional numbers with denominator 96
  2. For the 1st fraction, since 24 × 4 = 96,
    20/24 = 20 × 4/24 × 4 = 80/96
  3. Likewise, for the 2nd fraction, since 32 × 3 = 96,
    81/32 = 81 × 3/32 × 3 = 243/96
  4. Subtract the two like fractions:
    80/96 - 243/96 = 80 - 243/96 = -163/96

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