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Subtract 6/8 from 7/10

7/10 - 6/8 is -1/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 8 is 40
  2. For the 1st fraction, since 10 × 4 = 40,
    7/10 = 7 × 4/10 × 4 = 28/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    6/8 = 6 × 5/8 × 5 = 30/40
  4. Subtract the two fractions:
    28/40 - 30/40 = 28 - 30/40 = -2/40
  5. After reducing the fraction, the answer is -1/20

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