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Subtract 3/4 from 90/6

1st number: 15 0/6, 2nd number: 3/4

90/6 - 3/4 is 57/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 4 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 6 × 2 = 12,
    90/6 = 90 × 2/6 × 2 = 180/12
  3. Likewise, for the 2nd fraction, since 4 × 3 = 12,
    3/4 = 3 × 3/4 × 3 = 9/12
  4. Subtract the two like fractions:
    180/12 - 9/12 = 180 - 9/12 = 171/12
  5. After reducing the fraction, the answer is 57/4
  6. In mixed form: 141/4

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