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Subtract 49/8 from 40/28

1st number: 1 12/28, 2nd number: 6 1/8

40/28 - 49/8 is -263/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 8 is 56
  2. For the 1st fraction, since 28 × 2 = 56,
    40/28 = 40 × 2/28 × 2 = 80/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    49/8 = 49 × 7/8 × 7 = 343/56
  4. Subtract the two fractions:
    80/56 - 343/56 = 80 - 343/56 = -263/56

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