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Subtract 5/9 from 21/75

21/75 - 5/9 is -62/225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 9 is 225

    Next, find the equivalent fraction of both fractional numbers with denominator 225
  2. For the 1st fraction, since 75 × 3 = 225,
    21/75 = 21 × 3/75 × 3 = 63/225
  3. Likewise, for the 2nd fraction, since 9 × 25 = 225,
    5/9 = 5 × 25/9 × 25 = 125/225
  4. Subtract the two like fractions:
    63/225 - 125/225 = 63 - 125/225 = -62/225

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