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Subtract 40/49 from 10/27

10/27 - 40/49 is -590/1323.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 49 is 1323

    Next, find the equivalent fraction of both fractional numbers with denominator 1323
  2. For the 1st fraction, since 27 × 49 = 1323,
    10/27 = 10 × 49/27 × 49 = 490/1323
  3. Likewise, for the 2nd fraction, since 49 × 27 = 1323,
    40/49 = 40 × 27/49 × 27 = 1080/1323
  4. Subtract the two like fractions:
    490/1323 - 1080/1323 = 490 - 1080/1323 = -590/1323

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