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Subtract 20/63 from 15/4

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

15/4 - 20/63 is 865/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 63 is 252
  2. For the 1st fraction, since 4 × 63 = 252,
    15/4 = 15 × 63/4 × 63 = 945/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    20/63 = 20 × 4/63 × 4 = 80/252
  4. Subtract the two fractions:
    945/252 - 80/252 = 945 - 80/252 = 865/252
  5. In mixed form: 3109/252

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