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Subtract 42/6 from 1/18

1st number: 1/18, 2nd number: 7 0/6

1/18 - 42/6 is -125/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 6 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 18 × 1 = 18,
    1/18 = 1 × 1/18 × 1 = 1/18
  3. Likewise, for the 2nd fraction, since 6 × 3 = 18,
    42/6 = 42 × 3/6 × 3 = 126/18
  4. Subtract the two like fractions:
    1/18 - 126/18 = 1 - 126/18 = -125/18

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