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Subtract 20/14 from 35/40

1st number: 35/40, 2nd number: 1 6/14

35/40 - 20/14 is -31/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 14 is 280
  2. For the 1st fraction, since 40 × 7 = 280,
    35/40 = 35 × 7/40 × 7 = 245/280
  3. Likewise, for the 2nd fraction, since 14 × 20 = 280,
    20/14 = 20 × 20/14 × 20 = 400/280
  4. Subtract the two fractions:
    245/280 - 400/280 = 245 - 400/280 = -155/280
  5. After reducing the fraction, the answer is -31/56

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