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Subtract 35/90 from 18/75

18/75 - 35/90 is -67/450.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 90 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 75 × 6 = 450,
    18/75 = 18 × 6/75 × 6 = 108/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    35/90 = 35 × 5/90 × 5 = 175/450
  4. Subtract the two like fractions:
    108/450 - 175/450 = 108 - 175/450 = -67/450

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