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Subtract 6/7 from 4/5

4/5 - 6/7 is -2/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 7 is 35
  2. For the 1st fraction, since 5 × 7 = 35,
    4/5 = 4 × 7/5 × 7 = 28/35
  3. Likewise, for the 2nd fraction, since 7 × 5 = 35,
    6/7 = 6 × 5/7 × 5 = 30/35
  4. Subtract the two fractions:
    28/35 - 30/35 = 28 - 30/35 = -2/35

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