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Subtract 42/6 from 8/42

1st number: 8/42, 2nd number: 7 0/6

8/42 - 42/6 is -143/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 6 is 42
  2. For the 1st fraction, since 42 × 1 = 42,
    8/42 = 8 × 1/42 × 1 = 8/42
  3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
    42/6 = 42 × 7/6 × 7 = 294/42
  4. Subtract the two fractions:
    8/42 - 294/42 = 8 - 294/42 = -286/42
  5. After reducing the fraction, the answer is -143/21

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