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Subtract 25/90 from 2/18

2/18 - 25/90 is -1/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 18 × 5 = 90,
    2/18 = 2 × 5/18 × 5 = 10/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    25/90 = 25 × 1/90 × 1 = 25/90
  4. Subtract the two like fractions:
    10/90 - 25/90 = 10 - 25/90 = -15/90
  5. After reducing the fraction, the answer is -1/6

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