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Subtract 1/8 from 9/30

9/30 - 1/8 is 7/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 8 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 30 × 4 = 120,
    9/30 = 9 × 4/30 × 4 = 36/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    1/8 = 1 × 15/8 × 15 = 15/120
  4. Subtract the two like fractions:
    36/120 - 15/120 = 36 - 15/120 = 21/120
  5. After reducing the fraction, the answer is 7/40

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