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Subtract 42/18 from 8/12

1st number: 8/12, 2nd number: 2 6/18

8/12 - 42/18 is -5/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 18 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    8/12 = 8 × 3/12 × 3 = 24/36
  3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
    42/18 = 42 × 2/18 × 2 = 84/36
  4. Subtract the two like fractions:
    24/36 - 84/36 = 24 - 84/36 = -60/36
  5. After reducing the fraction, the answer is -5/3

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