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Subtract 75/28 from 4/42

1st number: 4/42, 2nd number: 2 19/28

4/42 - 75/28 is -31/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 28 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 42 × 2 = 84,
    4/42 = 4 × 2/42 × 2 = 8/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    75/28 = 75 × 3/28 × 3 = 225/84
  4. Subtract the two like fractions:
    8/84 - 225/84 = 8 - 225/84 = -217/84
  5. After reducing the fraction, the answer is -31/12

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