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Subtract 63/27 from 1/20

1st number: 1/20, 2nd number: 2 9/27

1/20 - 63/27 is -137/60.

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,
    1/20 = 1 × 27/20 × 27 = 27/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    63/27 = 63 × 20/27 × 20 = 1260/540
  4. Subtract the two like fractions:
    27/540 - 1260/540 = 27 - 1260/540 = -1233/540
  5. After reducing the fraction, the answer is -137/60

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