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Subtract 12/28 from 25/42

25/42 - 12/28 is 1/6.

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,
    25/42 = 25 × 2/42 × 2 = 50/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    12/28 = 12 × 3/28 × 3 = 36/84
  4. Subtract the two like fractions:
    50/84 - 36/84 = 50 - 36/84 = 14/84
  5. After reducing the fraction, the answer is 1/6

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