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Subtract 4/40 from 40/54

40/54 - 4/40 is 173/270.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 40 is 1080
  2. For the 1st fraction, since 54 × 20 = 1080,
    40/54 = 40 × 20/54 × 20 = 800/1080
  3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
    4/40 = 4 × 27/40 × 27 = 108/1080
  4. Subtract the two fractions:
    800/1080 - 108/1080 = 800 - 108/1080 = 692/1080
  5. After reducing the fraction, the answer is 173/270

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