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Subtract 3/90 from 15/50

15/50 - 3/90 is 4/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 90 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 50 × 9 = 450,
    15/50 = 15 × 9/50 × 9 = 135/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    3/90 = 3 × 5/90 × 5 = 15/450
  4. Subtract the two like fractions:
    135/450 - 15/450 = 135 - 15/450 = 120/450
  5. After reducing the fraction, the answer is 4/15

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