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Subtract 3/9 from 40/56

40/56 - 3/9 is 8/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 9 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    40/56 = 40 × 9/56 × 9 = 360/504
  3. Likewise, for the 2nd fraction, since 9 × 56 = 504,
    3/9 = 3 × 56/9 × 56 = 168/504
  4. Subtract the two like fractions:
    360/504 - 168/504 = 360 - 168/504 = 192/504
  5. After reducing the fraction, the answer is 8/21

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