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Subtract 5/90 from 4/15

4/15 - 5/90 is 19/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 15 × 6 = 90,
    4/15 = 4 × 6/15 × 6 = 24/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    5/90 = 5 × 1/90 × 1 = 5/90
  4. Subtract the two like fractions:
    24/90 - 5/90 = 24 - 5/90 = 19/90

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