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Subtract 8/7 from 2/8

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

2/8 - 8/7 is -25/28.

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,
    2/8 = 2 × 7/8 × 7 = 14/56
  3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
    8/7 = 8 × 8/7 × 8 = 64/56
  4. Subtract the two like fractions:
    14/56 - 64/56 = 14 - 64/56 = -50/56
  5. After reducing the fraction, the answer is -25/28

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