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Subtract 18/90 from 63/75

63/75 - 18/90 is 16/25.

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,
    63/75 = 63 × 6/75 × 6 = 378/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    18/90 = 18 × 5/90 × 5 = 90/450
  4. Subtract the two like fractions:
    378/450 - 90/450 = 378 - 90/450 = 288/450
  5. After reducing the fraction, the answer is 16/25

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