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Subtract 40/42 from 27/6

1st number: 4 3/6, 2nd number: 40/42

27/6 - 40/42 is 149/42.

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,
    27/6 = 27 × 7/6 × 7 = 189/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    40/42 = 40 × 1/42 × 1 = 40/42
  4. Subtract the two like fractions:
    189/42 - 40/42 = 189 - 40/42 = 149/42
  5. In mixed form: 323/42

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