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Subtract 25/84 from 40/72

40/72 - 25/84 is 65/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 84 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 84 × 6 = 504,
    25/84 = 25 × 6/84 × 6 = 150/504
  4. Subtract the two like fractions:
    280/504 - 150/504 = 280 - 150/504 = 130/504
  5. After reducing the fraction, the answer is 65/252

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