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Subtract 63/14 from 9/40

1st number: 9/40, 2nd number: 4 7/14

9/40 - 63/14 is -171/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 14 is 280
  2. For the 1st fraction, since 40 × 7 = 280,
    9/40 = 9 × 7/40 × 7 = 63/280
  3. Likewise, for the 2nd fraction, since 14 × 20 = 280,
    63/14 = 63 × 20/14 × 20 = 1260/280
  4. Subtract the two fractions:
    63/280 - 1260/280 = 63 - 1260/280 = -1197/280
  5. After reducing the fraction, the answer is -171/40

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