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Subtract 20/7 from 35/40

1st number: 35/40, 2nd number: 2 6/7

35/40 - 20/7 is -111/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 7 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 7 × 40 = 280,
    20/7 = 20 × 40/7 × 40 = 800/280
  4. Subtract the two fractions:
    245/280 - 800/280 = 245 - 800/280 = -555/280
  5. After reducing the fraction, the answer is -111/56

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