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Subtract 3/7 from 2/8

2/8 - 3/7 is -5/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 7 is 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,
    3/7 = 3 × 8/7 × 8 = 24/56
  4. Subtract the two fractions:
    14/56 - 24/56 = 14 - 24/56 = -10/56
  5. After reducing the fraction, the answer is -5/28

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