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Subtract 27/64 from 5/90

5/90 - 27/64 is -211/576.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 64 is 2880

    Next, find the equivalent fraction of both fractional numbers with denominator 2880
  2. For the 1st fraction, since 90 × 32 = 2880,
    5/90 = 5 × 32/90 × 32 = 160/2880
  3. Likewise, for the 2nd fraction, since 64 × 45 = 2880,
    27/64 = 27 × 45/64 × 45 = 1215/2880
  4. Subtract the two like fractions:
    160/2880 - 1215/2880 = 160 - 1215/2880 = -1055/2880
  5. After reducing the fraction, the answer is -211/576

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