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Subtract 75/54 from 70/18

1st number: 3 16/18, 2nd number: 1 21/54

70/18 - 75/54 is 5/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 54 is 54

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 18 × 3 = 54,
    70/18 = 70 × 3/18 × 3 = 210/54
  3. Likewise, for the 2nd fraction, since 54 × 1 = 54,
    75/54 = 75 × 1/54 × 1 = 75/54
  4. Subtract the two like fractions:
    210/54 - 75/54 = 210 - 75/54 = 135/54
  5. After reducing the fraction, the answer is 5/2
  6. In mixed form: 21/2

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