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Subtract 4/9 from 3/15

3/15 - 4/9 is -11/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 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 9 × 5 = 45,
    4/9 = 4 × 5/9 × 5 = 20/45
  4. Subtract the two like fractions:
    9/45 - 20/45 = 9 - 20/45 = -11/45

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