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Subtract 2/90 from 1/75

1/75 - 2/90 is -2/225.

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,
    1/75 = 1 × 6/75 × 6 = 6/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    2/90 = 2 × 5/90 × 5 = 10/450
  4. Subtract the two like fractions:
    6/450 - 10/450 = 6 - 10/450 = -4/450
  5. After reducing the fraction, the answer is -2/225

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