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Subtract 7/80 from 4/63

4/63 - 7/80 is -121/5040.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 5040
  2. For the 1st fraction, since 63 × 80 = 5040,
    4/63 = 4 × 80/63 × 80 = 320/5040
  3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
    7/80 = 7 × 63/80 × 63 = 441/5040
  4. Subtract the two like fractions:
    320/5040 - 441/5040 = 320 - 441/5040 = -121/5040

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