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Subtract 2/50 from 4/90

4/90 - 2/50 is 1/225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 50 is 450
  2. For the 1st fraction, since 90 × 5 = 450,
    4/90 = 4 × 5/90 × 5 = 20/450
  3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
    2/50 = 2 × 9/50 × 9 = 18/450
  4. Subtract the two fractions:
    20/450 - 18/450 = 20 - 18/450 = 2/450
  5. After reducing the fraction, the answer is 1/225

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