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Subtract 3/56 from 40/72

40/72 - 3/56 is 253/504.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 56 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    40/72 = 40 × 7/72 × 7 = 280/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    3/56 = 3 × 9/56 × 9 = 27/504
  4. Subtract the two like fractions:
    280/504 - 27/504 = 280 - 27/504 = 253/504

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