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Subtract 2/54 from 28/40

28/40 - 2/54 is 179/270.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 54 is 1080

    Next, find the equivalent fraction of both fractional numbers with denominator 1080
  2. For the 1st fraction, since 40 × 27 = 1080,
    28/40 = 28 × 27/40 × 27 = 756/1080
  3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
    2/54 = 2 × 20/54 × 20 = 40/1080
  4. Subtract the two like fractions:
    756/1080 - 40/1080 = 756 - 40/1080 = 716/1080
  5. After reducing the fraction, the answer is 179/270

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