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Subtract 3/42 from 40/32

1st number: 1 8/32, 2nd number: 3/42

40/32 - 3/42 is 33/28.

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,
    40/32 = 40 × 21/32 × 21 = 840/672
  3. Likewise, for the 2nd fraction, since 42 × 16 = 672,
    3/42 = 3 × 16/42 × 16 = 48/672
  4. Subtract the two like fractions:
    840/672 - 48/672 = 840 - 48/672 = 792/672
  5. After reducing the fraction, the answer is 33/28
  6. In mixed form: 15/28

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