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Subtract 63/16 from 20/25

1st number: 20/25, 2nd number: 3 15/16

20/25 - 63/16 is -251/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 16 is 400

    Next, find the equivalent fraction of both fractional numbers with denominator 400
  2. For the 1st fraction, since 25 × 16 = 400,
    20/25 = 20 × 16/25 × 16 = 320/400
  3. Likewise, for the 2nd fraction, since 16 × 25 = 400,
    63/16 = 63 × 25/16 × 25 = 1575/400
  4. Subtract the two like fractions:
    320/400 - 1575/400 = 320 - 1575/400 = -1255/400
  5. After reducing the fraction, the answer is -251/80

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