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Subtract 75/90 from 16/25

16/25 - 75/90 is -29/150.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 90 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 25 × 18 = 450,
    16/25 = 16 × 18/25 × 18 = 288/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    75/90 = 75 × 5/90 × 5 = 375/450
  4. Subtract the two like fractions:
    288/450 - 375/450 = 288 - 375/450 = -87/450
  5. After reducing the fraction, the answer is -29/150

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