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Subtract 20/42 from 35/32

1st number: 1 3/32, 2nd number: 20/42

35/32 - 20/42 is 415/672.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 672
  2. For the 1st fraction, since 32 × 21 = 672,
    35/32 = 35 × 21/32 × 21 = 735/672
  3. Likewise, for the 2nd fraction, since 42 × 16 = 672,
    20/42 = 20 × 16/42 × 16 = 320/672
  4. Subtract the two like fractions:
    735/672 - 320/672 = 735 - 320/672 = 415/672

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