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Subtract 24/63 from 42/80

42/80 - 24/63 is 121/840.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 63 is 5040
  2. For the 1st fraction, since 80 × 63 = 5040,
    42/80 = 42 × 63/80 × 63 = 2646/5040
  3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
    24/63 = 24 × 80/63 × 80 = 1920/5040
  4. Subtract the two fractions:
    2646/5040 - 1920/5040 = 2646 - 1920/5040 = 726/5040
  5. After reducing the fraction, the answer is 121/840

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