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Subtract 45/42 from 20/6

1st number: 3 2/6, 2nd number: 1 3/42

20/6 - 45/42 is 95/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 42 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 6 × 7 = 42,
    20/6 = 20 × 7/6 × 7 = 140/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    45/42 = 45 × 1/42 × 1 = 45/42
  4. Subtract the two like fractions:
    140/42 - 45/42 = 140 - 45/42 = 95/42
  5. In mixed form: 211/42

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