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Subtract 1/12 from 42/9

1st number: 4 6/9, 2nd number: 1/12

42/9 - 1/12 is 55/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 12 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 9 × 4 = 36,
    42/9 = 42 × 4/9 × 4 = 168/36
  3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
    1/12 = 1 × 3/12 × 3 = 3/36
  4. Subtract the two like fractions:
    168/36 - 3/36 = 168 - 3/36 = 165/36
  5. After reducing the fraction, the answer is 55/12
  6. In mixed form: 47/12

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