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Subtract 4/5 from 5/10

5/10 - 4/5 is -3/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 5 is 10
  2. For the 1st fraction, since 10 × 1 = 10,
    5/10 = 5 × 1/10 × 1 = 5/10
  3. Likewise, for the 2nd fraction, since 5 × 2 = 10,
    4/5 = 4 × 2/5 × 2 = 8/10
  4. Subtract the two fractions:
    5/10 - 8/10 = 5 - 8/10 = -3/10

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