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Subtract 75/27 from 90/75

1st number: 1 15/75, 2nd number: 2 21/27

90/75 - 75/27 is -71/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 27 is 675

    Next, find the equivalent fraction of both fractional numbers with denominator 675
  2. For the 1st fraction, since 75 × 9 = 675,
    90/75 = 90 × 9/75 × 9 = 810/675
  3. Likewise, for the 2nd fraction, since 27 × 25 = 675,
    75/27 = 75 × 25/27 × 25 = 1875/675
  4. Subtract the two like fractions:
    810/675 - 1875/675 = 810 - 1875/675 = -1065/675
  5. After reducing the fraction, the answer is -71/45

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