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Subtract 18/32 from 4/45

4/45 - 18/32 is -341/720.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 32 is 1440

    Next, find the equivalent fraction of both fractional numbers with denominator 1440
  2. For the 1st fraction, since 45 × 32 = 1440,
    4/45 = 4 × 32/45 × 32 = 128/1440
  3. Likewise, for the 2nd fraction, since 32 × 45 = 1440,
    18/32 = 18 × 45/32 × 45 = 810/1440
  4. Subtract the two like fractions:
    128/1440 - 810/1440 = 128 - 810/1440 = -682/1440
  5. After reducing the fraction, the answer is -341/720

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