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Subtract 5/54 from 30/40

30/40 - 5/54 is 71/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 54 is 1080
  2. For the 1st fraction, since 40 × 27 = 1080,
    30/40 = 30 × 27/40 × 27 = 810/1080
  3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
    5/54 = 5 × 20/54 × 20 = 100/1080
  4. Subtract the two fractions:
    810/1080 - 100/1080 = 810 - 100/1080 = 710/1080
  5. After reducing the fraction, the answer is 71/108

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