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Subtract 4/90 from 8/25

8/25 - 4/90 is 62/225.

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,
    8/25 = 8 × 18/25 × 18 = 144/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    4/90 = 4 × 5/90 × 5 = 20/450
  4. Subtract the two like fractions:
    144/450 - 20/450 = 144 - 20/450 = 124/450
  5. After reducing the fraction, the answer is 62/225

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