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Subtract 6/7 from 9/8

1st number: 1 1/8, 2nd number: 6/7

9/8 - 6/7 is 15/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 7 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 8 × 7 = 56,
    9/8 = 9 × 7/8 × 7 = 63/56
  3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
    6/7 = 6 × 8/7 × 8 = 48/56
  4. Subtract the two like fractions:
    63/56 - 48/56 = 63 - 48/56 = 15/56

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