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Subtract 9/32 from 42/84

42/84 - 9/32 is 7/32.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 32 is 672

    Next, find the equivalent fraction of both fractional numbers with denominator 672
  2. For the 1st fraction, since 84 × 8 = 672,
    42/84 = 42 × 8/84 × 8 = 336/672
  3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
    9/32 = 9 × 21/32 × 21 = 189/672
  4. Subtract the two like fractions:
    336/672 - 189/672 = 336 - 189/672 = 147/672
  5. After reducing the fraction, the answer is 7/32

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