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Subtract 40/7 from 10/6

1st number: 1 4/6, 2nd number: 5 5/7

10/6 - 40/7 is -85/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 7 is 42
  2. For the 1st fraction, since 6 × 7 = 42,
    10/6 = 10 × 7/6 × 7 = 70/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    40/7 = 40 × 6/7 × 6 = 240/42
  4. Subtract the two fractions:
    70/42 - 240/42 = 70 - 240/42 = -170/42
  5. After reducing the fraction, the answer is -85/21

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