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Subtract 18/7 from 27/32

1st number: 27/32, 2nd number: 2 4/7

27/32 - 18/7 is -387/224.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 7 is 224
  2. For the 1st fraction, since 32 × 7 = 224,
    27/32 = 27 × 7/32 × 7 = 189/224
  3. Likewise, for the 2nd fraction, since 7 × 32 = 224,
    18/7 = 18 × 32/7 × 32 = 576/224
  4. Subtract the two fractions:
    189/224 - 576/224 = 189 - 576/224 = -387/224

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