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Subtract 1/32 from 8/42

8/42 - 1/32 is 107/672.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 32 is 672

    Next, find the equivalent fraction of both fractional numbers with denominator 672
  2. For the 1st fraction, since 42 × 16 = 672,
    8/42 = 8 × 16/42 × 16 = 128/672
  3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
    1/32 = 1 × 21/32 × 21 = 21/672
  4. Subtract the two like fractions:
    128/672 - 21/672 = 128 - 21/672 = 107/672

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