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Subtract 2/18 from 25/42

25/42 - 2/18 is 61/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 18 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 42 × 3 = 126,
    25/42 = 25 × 3/42 × 3 = 75/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    2/18 = 2 × 7/18 × 7 = 14/126
  4. Subtract the two like fractions:
    75/126 - 14/126 = 75 - 14/126 = 61/126

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