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Subtract 10/25 from 16/90

16/90 - 10/25 is -2/9.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 90 × 5 = 450,
    16/90 = 16 × 5/90 × 5 = 80/450
  3. Likewise, for the 2nd fraction, since 25 × 18 = 450,
    10/25 = 10 × 18/25 × 18 = 180/450
  4. Subtract the two like fractions:
    80/450 - 180/450 = 80 - 180/450 = -100/450
  5. After reducing the fraction, the answer is -2/9

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