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Subtract 25/45 from 3/15

3/15 - 25/45 is -16/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 45 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 15 × 3 = 45,
    3/15 = 3 × 3/15 × 3 = 9/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    25/45 = 25 × 1/45 × 1 = 25/45
  4. Subtract the two like fractions:
    9/45 - 25/45 = 9 - 25/45 = -16/45

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