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Subtract 40/56 from 6/40

6/40 - 40/56 is -79/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    6/40 = 6 × 7/40 × 7 = 42/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    40/56 = 40 × 5/56 × 5 = 200/280
  4. Subtract the two like fractions:
    42/280 - 200/280 = 42 - 200/280 = -158/280
  5. After reducing the fraction, the answer is -79/140

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