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Subtract 54/8 from 10/40

1st number: 10/40, 2nd number: 6 6/8

10/40 - 54/8 is -13/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 40 × 1 = 40,
    10/40 = 10 × 1/40 × 1 = 10/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    54/8 = 54 × 5/8 × 5 = 270/40
  4. Subtract the two like fractions:
    10/40 - 270/40 = 10 - 270/40 = -260/40
  5. After reducing the fraction, the answer is -13/2

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