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Subtract 81/3 from 4/42

1st number: 4/42, 2nd number: 27 0/3

4/42 - 81/3 is -565/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 3 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 42 × 1 = 42,
    4/42 = 4 × 1/42 × 1 = 4/42
  3. Likewise, for the 2nd fraction, since 3 × 14 = 42,
    81/3 = 81 × 14/3 × 14 = 1134/42
  4. Subtract the two like fractions:
    4/42 - 1134/42 = 4 - 1134/42 = -1130/42
  5. After reducing the fraction, the answer is -565/21

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