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Subtract 3/54 from 42/2

1st number: 21 0/2, 2nd number: 3/54

42/2 - 3/54 is 377/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 54 is 54

    Next, find the equivalent fraction of both fractional numbers with denominator 54
  2. For the 1st fraction, since 2 × 27 = 54,
    42/2 = 42 × 27/2 × 27 = 1134/54
  3. Likewise, for the 2nd fraction, since 54 × 1 = 54,
    3/54 = 3 × 1/54 × 1 = 3/54
  4. Subtract the two like fractions:
    1134/54 - 3/54 = 1134 - 3/54 = 1131/54
  5. After reducing the fraction, the answer is 377/18
  6. In mixed form: 2017/18

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