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Subtract 4/25 from 5/90

5/90 - 4/25 is -47/450.

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,
    5/90 = 5 × 5/90 × 5 = 25/450
  3. Likewise, for the 2nd fraction, since 25 × 18 = 450,
    4/25 = 4 × 18/25 × 18 = 72/450
  4. Subtract the two like fractions:
    25/450 - 72/450 = 25 - 72/450 = -47/450

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