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Subtract 42/7 from 1/12

1st number: 1/12, 2nd number: 6 0/7

1/12 - 42/7 is -71/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 7 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    1/12 = 1 × 7/12 × 7 = 7/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    42/7 = 42 × 12/7 × 12 = 504/84
  4. Subtract the two like fractions:
    7/84 - 504/84 = 7 - 504/84 = -497/84
  5. After reducing the fraction, the answer is -71/12

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