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Subtract 81/32 from 5/8

1st number: 5/8, 2nd number: 2 17/32

5/8 - 81/32 is -61/32.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 32 is 32

    Next, find the equivalent fraction of both fractional numbers with denominator 32
  2. For the 1st fraction, since 8 × 4 = 32,
    5/8 = 5 × 4/8 × 4 = 20/32
  3. Likewise, for the 2nd fraction, since 32 × 1 = 32,
    81/32 = 81 × 1/32 × 1 = 81/32
  4. Subtract the two like fractions:
    20/32 - 81/32 = 20 - 81/32 = -61/32

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