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Subtract 7/9 from 15/49

15/49 - 7/9 is -208/441.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 9 is 441
  2. For the 1st fraction, since 49 × 9 = 441,
    15/49 = 15 × 9/49 × 9 = 135/441
  3. Likewise, for the 2nd fraction, since 9 × 49 = 441,
    7/9 = 7 × 49/9 × 49 = 343/441
  4. Subtract the two fractions:
    135/441 - 343/441 = 135 - 343/441 = -208/441

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