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Subtract 5/9 from 7/45

7/45 - 5/9 is -2/5.

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,
    7/45 = 7 × 1/45 × 1 = 7/45
  3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
    5/9 = 5 × 5/9 × 5 = 25/45
  4. Subtract the two fractions:
    7/45 - 25/45 = 7 - 25/45 = -18/45
  5. After reducing the fraction, the answer is -2/5

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