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Subtract 35/72 from 40/84

40/84 - 35/72 is -5/504.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 84 × 6 = 504,
    40/84 = 40 × 6/84 × 6 = 240/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    35/72 = 35 × 7/72 × 7 = 245/504
  4. Subtract the two like fractions:
    240/504 - 245/504 = 240 - 245/504 = -5/504

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