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Subtract 7/9 from 9/45

9/45 - 7/9 is -26/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 9 is 45
  2. For the 1st fraction, since 45 × 1 = 45,
    9/45 = 9 × 1/45 × 1 = 9/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    7/9 = 7 × 5/9 × 5 = 35/45
  4. Subtract the two fractions:
    9/45 - 35/45 = 9 - 35/45 = -26/45

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