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Subtract 18/40 from 6/2

1st number: 3 0/2, 2nd number: 18/40

6/2 - 18/40 is 51/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 2 × 20 = 40,
    6/2 = 6 × 20/2 × 20 = 120/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    18/40 = 18 × 1/40 × 1 = 18/40
  4. Subtract the two like fractions:
    120/40 - 18/40 = 120 - 18/40 = 102/40
  5. After reducing the fraction, the answer is 51/20
  6. In mixed form: 211/20

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