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Subtract 42/96 from 5/45

5/45 - 42/96 is -47/144.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 96 is 1440

    Next, find the equivalent fraction of both fractional numbers with denominator 1440
  2. For the 1st fraction, since 45 × 32 = 1440,
    5/45 = 5 × 32/45 × 32 = 160/1440
  3. Likewise, for the 2nd fraction, since 96 × 15 = 1440,
    42/96 = 42 × 15/96 × 15 = 630/1440
  4. Subtract the two like fractions:
    160/1440 - 630/1440 = 160 - 630/1440 = -470/1440
  5. After reducing the fraction, the answer is -47/144

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