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Subtract 63/27 from 25/42

1st number: 25/42, 2nd number: 2 9/27

25/42 - 63/27 is -73/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 27 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 42 × 9 = 378,
    25/42 = 25 × 9/42 × 9 = 225/378
  3. Likewise, for the 2nd fraction, since 27 × 14 = 378,
    63/27 = 63 × 14/27 × 14 = 882/378
  4. Subtract the two like fractions:
    225/378 - 882/378 = 225 - 882/378 = -657/378
  5. After reducing the fraction, the answer is -73/42

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