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Subtract 16/90 from 3/25

3/25 - 16/90 is -13/225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 90 is 450
  2. For the 1st fraction, since 25 × 18 = 450,
    3/25 = 3 × 18/25 × 18 = 54/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    16/90 = 16 × 5/90 × 5 = 80/450
  4. Subtract the two fractions:
    54/450 - 80/450 = 54 - 80/450 = -26/450
  5. After reducing the fraction, the answer is -13/225

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