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Subtract 3/63 from 80/4

1st number: 20 0/4, 2nd number: 3/63

80/4 - 3/63 is 419/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 63 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 4 × 63 = 252,
    80/4 = 80 × 63/4 × 63 = 5040/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    3/63 = 3 × 4/63 × 4 = 12/252
  4. Subtract the two like fractions:
    5040/252 - 12/252 = 5040 - 12/252 = 5028/252
  5. After reducing the fraction, the answer is 419/21
  6. In mixed form: 1920/21

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