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Subtract 1/28 from 2/42

2/42 - 1/28 is 1/84.

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,
    2/42 = 2 × 2/42 × 2 = 4/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    1/28 = 1 × 3/28 × 3 = 3/84
  4. Subtract the two like fractions:
    4/84 - 3/84 = 4 - 3/84 = 1/84

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