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Subtract 63/56 from 10/40

1st number: 10/40, 2nd number: 1 7/56

10/40 - 63/56 is -7/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    10/40 = 10 × 7/40 × 7 = 70/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    63/56 = 63 × 5/56 × 5 = 315/280
  4. Subtract the two like fractions:
    70/280 - 315/280 = 70 - 315/280 = -245/280
  5. After reducing the fraction, the answer is -7/8

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