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Subtract 7/18 from 3/25

3/25 - 7/18 is -121/450.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 18 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 25 × 18 = 450,
    3/25 = 3 × 18/25 × 18 = 54/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    7/18 = 7 × 25/18 × 25 = 175/450
  4. Subtract the two like fractions:
    54/450 - 175/450 = 54 - 175/450 = -121/450

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