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Subtract 40/9 from 72/25

1st number: 2 22/25, 2nd number: 4 4/9

72/25 - 40/9 is -352/225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 9 is 225

    Next, find the equivalent fraction of both fractional numbers with denominator 225
  2. For the 1st fraction, since 25 × 9 = 225,
    72/25 = 72 × 9/25 × 9 = 648/225
  3. Likewise, for the 2nd fraction, since 9 × 25 = 225,
    40/9 = 40 × 25/9 × 25 = 1000/225
  4. Subtract the two like fractions:
    648/225 - 1000/225 = 648 - 1000/225 = -352/225

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