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Subtract 49/63 from 54/80

54/80 - 49/63 is -37/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 63 is 5040

    Next, find the equivalent fraction of both fractional numbers with denominator 5040
  2. For the 1st fraction, since 80 × 63 = 5040,
    54/80 = 54 × 63/80 × 63 = 3402/5040
  3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
    49/63 = 49 × 80/63 × 80 = 3920/5040
  4. Subtract the two like fractions:
    3402/5040 - 3920/5040 = 3402 - 3920/5040 = -518/5040
  5. After reducing the fraction, the answer is -37/360

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