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Subtract 3/27 from 8/20

8/20 - 3/27 is 13/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 27 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 20 × 27 = 540,
    8/20 = 8 × 27/20 × 27 = 216/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    3/27 = 3 × 20/27 × 20 = 60/540
  4. Subtract the two like fractions:
    216/540 - 60/540 = 216 - 60/540 = 156/540
  5. After reducing the fraction, the answer is 13/45

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