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Subtract 63/12 from 7/40

1st number: 7/40, 2nd number: 5 3/12

7/40 - 63/12 is -203/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 12 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 40 × 3 = 120,
    7/40 = 7 × 3/40 × 3 = 21/120
  3. Likewise, for the 2nd fraction, since 12 × 10 = 120,
    63/12 = 63 × 10/12 × 10 = 630/120
  4. Subtract the two like fractions:
    21/120 - 630/120 = 21 - 630/120 = -609/120
  5. After reducing the fraction, the answer is -203/40

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