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Subtract 2/8 from 2/20

2/20 - 2/8 is -3/20.

Steps for subtracting fractions

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

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