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Subtract 2/8 from 4/5

4/5 - 2/8 is 11/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 5 × 8 = 40,
    4/5 = 4 × 8/5 × 8 = 32/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    2/8 = 2 × 5/8 × 5 = 10/40
  4. Subtract the two like fractions:
    32/40 - 10/40 = 32 - 10/40 = 22/40
  5. After reducing the fraction, the answer is 11/20

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