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Subtract 4/40 from 8/30

8/30 - 4/40 is 1/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 40 is 120
  2. For the 1st fraction, since 30 × 4 = 120,
    8/30 = 8 × 4/30 × 4 = 32/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    4/40 = 4 × 3/40 × 3 = 12/120
  4. Subtract the two fractions:
    32/120 - 12/120 = 32 - 12/120 = 20/120
  5. After reducing the fraction, the answer is 1/6

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