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Subtract 7/9 from 15/24

15/24 - 7/9 is -11/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 9 is 72
  2. For the 1st fraction, since 24 × 3 = 72,
    15/24 = 15 × 3/24 × 3 = 45/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    7/9 = 7 × 8/9 × 8 = 56/72
  4. Subtract the two fractions:
    45/72 - 56/72 = 45 - 56/72 = -11/72

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