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Subtract 42/72 from 1/32

1/32 - 42/72 is -53/96.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 72 is 288

    Next, find the equivalent fraction of both fractional numbers with denominator 288
  2. For the 1st fraction, since 32 × 9 = 288,
    1/32 = 1 × 9/32 × 9 = 9/288
  3. Likewise, for the 2nd fraction, since 72 × 4 = 288,
    42/72 = 42 × 4/72 × 4 = 168/288
  4. Subtract the two like fractions:
    9/288 - 168/288 = 9 - 168/288 = -159/288
  5. After reducing the fraction, the answer is -53/96

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