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Subtract 63/7 from 27/28

1st number: 27/28, 2nd number: 9 0/7

27/28 - 63/7 is -225/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 7 is 28
  2. For the 1st fraction, since 28 × 1 = 28,
    27/28 = 27 × 1/28 × 1 = 27/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    63/7 = 63 × 4/7 × 4 = 252/28
  4. Subtract the two fractions:
    27/28 - 252/28 = 27 - 252/28 = -225/28

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