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Subtract 27/49 from 12/20

12/20 - 27/49 is 12/245.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 49 is 980

    Next, find the equivalent fraction of both fractional numbers with denominator 980
  2. For the 1st fraction, since 20 × 49 = 980,
    12/20 = 12 × 49/20 × 49 = 588/980
  3. Likewise, for the 2nd fraction, since 49 × 20 = 980,
    27/49 = 27 × 20/49 × 20 = 540/980
  4. Subtract the two like fractions:
    588/980 - 540/980 = 588 - 540/980 = 48/980
  5. After reducing the fraction, the answer is 12/245

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