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Subtract 40/24 from 27/63

1st number: 27/63, 2nd number: 1 16/24

27/63 - 40/24 is -26/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 24 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 63 × 8 = 504,
    27/63 = 27 × 8/63 × 8 = 216/504
  3. Likewise, for the 2nd fraction, since 24 × 21 = 504,
    40/24 = 40 × 21/24 × 21 = 840/504
  4. Subtract the two like fractions:
    216/504 - 840/504 = 216 - 840/504 = -624/504
  5. After reducing the fraction, the answer is -26/21

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