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Subtract 2/9 from 5/20

5/20 - 2/9 is 1/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 9 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    5/20 = 5 × 9/20 × 9 = 45/180
  3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
    2/9 = 2 × 20/9 × 20 = 40/180
  4. Subtract the two like fractions:
    45/180 - 40/180 = 45 - 40/180 = 5/180
  5. After reducing the fraction, the answer is 1/36

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