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Subtract 54/7 from 27/16

1st number: 1 11/16, 2nd number: 7 5/7

27/16 - 54/7 is -675/112.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 7 is 112
  2. For the 1st fraction, since 16 × 7 = 112,
    27/16 = 27 × 7/16 × 7 = 189/112
  3. Likewise, for the 2nd fraction, since 7 × 16 = 112,
    54/7 = 54 × 16/7 × 16 = 864/112
  4. Subtract the two fractions:
    189/112 - 864/112 = 189 - 864/112 = -675/112

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