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Subtract 20/35 from 5/40

5/40 - 20/35 is -25/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 35 is 280
  2. For the 1st fraction, since 40 × 7 = 280,
    5/40 = 5 × 7/40 × 7 = 35/280
  3. Likewise, for the 2nd fraction, since 35 × 8 = 280,
    20/35 = 20 × 8/35 × 8 = 160/280
  4. Subtract the two fractions:
    35/280 - 160/280 = 35 - 160/280 = -125/280
  5. After reducing the fraction, the answer is -25/56

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