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Subtract 7/27 from 9/40

9/40 - 7/27 is -37/1080.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 27 is 1080
  2. For the 1st fraction, since 40 × 27 = 1080,
    9/40 = 9 × 27/40 × 27 = 243/1080
  3. Likewise, for the 2nd fraction, since 27 × 40 = 1080,
    7/27 = 7 × 40/27 × 40 = 280/1080
  4. Subtract the two fractions:
    243/1080 - 280/1080 = 243 - 280/1080 = -37/1080

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