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Subtract 28/80 from 28/54

28/54 - 28/80 is 91/540.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 80 is 2160
  2. For the 1st fraction, since 54 × 40 = 2160,
    28/54 = 28 × 40/54 × 40 = 1120/2160
  3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
    28/80 = 28 × 27/80 × 27 = 756/2160
  4. Subtract the two fractions:
    1120/2160 - 756/2160 = 1120 - 756/2160 = 364/2160
  5. After reducing the fraction, the answer is 91/540

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