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Subtract 8/90 from 3/30

3/30 - 8/90 is 1/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 90 is 90
  2. For the 1st fraction, since 30 × 3 = 90,
    3/30 = 3 × 3/30 × 3 = 9/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    8/90 = 8 × 1/90 × 1 = 8/90
  4. Subtract the two fractions:
    9/90 - 8/90 = 9 - 8/90 = 1/90

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