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Subtract 18/28 from 81/32

1st number: 2 17/32, 2nd number: 18/28

81/32 - 18/28 is 423/224.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 28 is 224

    Next, find the equivalent fraction of both fractional numbers with denominator 224
  2. For the 1st fraction, since 32 × 7 = 224,
    81/32 = 81 × 7/32 × 7 = 567/224
  3. Likewise, for the 2nd fraction, since 28 × 8 = 224,
    18/28 = 18 × 8/28 × 8 = 144/224
  4. Subtract the two like fractions:
    567/224 - 144/224 = 567 - 144/224 = 423/224
  5. In mixed form: 1199/224

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