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Subtract 1/18 from 42/9

1st number: 4 6/9, 2nd number: 1/18

42/9 - 1/18 is 83/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 18 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 9 × 2 = 18,
    42/9 = 42 × 2/9 × 2 = 84/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    1/18 = 1 × 1/18 × 1 = 1/18
  4. Subtract the two like fractions:
    84/18 - 1/18 = 84 - 1/18 = 83/18
  5. In mixed form: 411/18

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