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Subtract 1/90 from 3/5

3/5 - 1/90 is 53/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 90 is 90
  2. For the 1st fraction, since 5 × 18 = 90,
    3/5 = 3 × 18/5 × 18 = 54/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    1/90 = 1 × 1/90 × 1 = 1/90
  4. Subtract the two fractions:
    54/90 - 1/90 = 54 - 1/90 = 53/90

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