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Subtract 7/8 from 16/28

16/28 - 7/8 is -17/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 8 is 56
  2. For the 1st fraction, since 28 × 2 = 56,
    16/28 = 16 × 2/28 × 2 = 32/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    7/8 = 7 × 7/8 × 7 = 49/56
  4. Subtract the two fractions:
    32/56 - 49/56 = 32 - 49/56 = -17/56

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