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Subtract 35/20 from 12/27

1st number: 12/27, 2nd number: 1 15/20

12/27 - 35/20 is -47/36.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 27 × 20 = 540,
    12/27 = 12 × 20/27 × 20 = 240/540
  3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
    35/20 = 35 × 27/20 × 27 = 945/540
  4. Subtract the two like fractions:
    240/540 - 945/540 = 240 - 945/540 = -705/540
  5. After reducing the fraction, the answer is -47/36

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