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Subtract 90/27 from 7/2

1st number: 3 1/2, 2nd number: 3 9/27

7/2 - 90/27 is 1/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 27 is 54

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 2 × 27 = 54,
    7/2 = 7 × 27/2 × 27 = 189/54
  3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
    90/27 = 90 × 2/27 × 2 = 180/54
  4. Subtract the two like fractions:
    189/54 - 180/54 = 189 - 180/54 = 9/54
  5. After reducing the fraction, the answer is 1/6

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