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Subtract 7/9 from 1/28

1/28 - 7/9 is -187/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 9 is 252
  2. For the 1st fraction, since 28 × 9 = 252,
    1/28 = 1 × 9/28 × 9 = 9/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    7/9 = 7 × 28/9 × 28 = 196/252
  4. Subtract the two fractions:
    9/252 - 196/252 = 9 - 196/252 = -187/252

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