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Subtract 10/8 from 8/7

1st number: 1 1/7, 2nd number: 1 2/8

8/7 - 10/8 is -3/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 8 is 56
  2. For the 1st fraction, since 7 × 8 = 56,
    8/7 = 8 × 8/7 × 8 = 64/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    10/8 = 10 × 7/8 × 7 = 70/56
  4. Subtract the two fractions:
    64/56 - 70/56 = 64 - 70/56 = -6/56
  5. After reducing the fraction, the answer is -3/28

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