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Subtract 4/25 from 2/90

2/90 - 4/25 is -31/225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 25 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 90 × 5 = 450,
    2/90 = 2 × 5/90 × 5 = 10/450
  3. Likewise, for the 2nd fraction, since 25 × 18 = 450,
    4/25 = 4 × 18/25 × 18 = 72/450
  4. Subtract the two like fractions:
    10/450 - 72/450 = 10 - 72/450 = -62/450
  5. After reducing the fraction, the answer is -31/225

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