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Subtract 5/4 from 12/63

1st number: 12/63, 2nd number: 1 1/4

12/63 - 5/4 is -89/84.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 63 × 4 = 252,
    12/63 = 12 × 4/63 × 4 = 48/252
  3. Likewise, for the 2nd fraction, since 4 × 63 = 252,
    5/4 = 5 × 63/4 × 63 = 315/252
  4. Subtract the two like fractions:
    48/252 - 315/252 = 48 - 315/252 = -267/252
  5. After reducing the fraction, the answer is -89/84

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