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Subtract 1/50 from 28/90

28/90 - 1/50 is 131/450.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 90 × 5 = 450,
    28/90 = 28 × 5/90 × 5 = 140/450
  3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
    1/50 = 1 × 9/50 × 9 = 9/450
  4. Subtract the two like fractions:
    140/450 - 9/450 = 140 - 9/450 = 131/450

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