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Subtract 1/90 from 15/25

15/25 - 1/90 is 53/90.

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,
    15/25 = 15 × 18/25 × 18 = 270/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    1/90 = 1 × 5/90 × 5 = 5/450
  4. Subtract the two like fractions:
    270/450 - 5/450 = 270 - 5/450 = 265/450
  5. After reducing the fraction, the answer is 53/90

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