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Subtract 4/9 from 5/15

5/15 - 4/9 is -1/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 9 is 45
  2. For the 1st fraction, since 15 × 3 = 45,
    5/15 = 5 × 3/15 × 3 = 15/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    4/9 = 4 × 5/9 × 5 = 20/45
  4. Subtract the two fractions:
    15/45 - 20/45 = 15 - 20/45 = -5/45
  5. After reducing the fraction, the answer is -1/9

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