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Subtract 4/42 from 8/2

1st number: 4 0/2, 2nd number: 4/42

8/2 - 4/42 is 82/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 42 is 42
  2. For the 1st fraction, since 2 × 21 = 42,
    8/2 = 8 × 21/2 × 21 = 168/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    4/42 = 4 × 1/42 × 1 = 4/42
  4. Subtract the two fractions:
    168/42 - 4/42 = 168 - 4/42 = 164/42
  5. After reducing the fraction, the answer is 82/21
  6. In mixed form: 319/21

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