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Subtract 81/32 from 5/7

1st number: 5/7, 2nd number: 2 17/32

5/7 - 81/32 is -407/224.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 32 is 224

    Next, find the equivalent fraction of both fractional numbers with denominator 224
  2. For the 1st fraction, since 7 × 32 = 224,
    5/7 = 5 × 32/7 × 32 = 160/224
  3. Likewise, for the 2nd fraction, since 32 × 7 = 224,
    81/32 = 81 × 7/32 × 7 = 567/224
  4. Subtract the two like fractions:
    160/224 - 567/224 = 160 - 567/224 = -407/224

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