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Subtract 8/9 from 2/42

2/42 - 8/9 is -53/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 9 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 42 × 3 = 126,
    2/42 = 2 × 3/42 × 3 = 6/126
  3. Likewise, for the 2nd fraction, since 9 × 14 = 126,
    8/9 = 8 × 14/9 × 14 = 112/126
  4. Subtract the two like fractions:
    6/126 - 112/126 = 6 - 112/126 = -106/126
  5. After reducing the fraction, the answer is -53/63

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