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Subtract 21/54 from 84/2

1st number: 42 0/2, 2nd number: 21/54

84/2 - 21/54 is 749/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 54 is 54
  2. For the 1st fraction, since 2 × 27 = 54,
    84/2 = 84 × 27/2 × 27 = 2268/54
  3. Likewise, for the 2nd fraction, since 54 × 1 = 54,
    21/54 = 21 × 1/54 × 1 = 21/54
  4. Subtract the two fractions:
    2268/54 - 21/54 = 2268 - 21/54 = 2247/54
  5. After reducing the fraction, the answer is 749/18
  6. In mixed form: 4111/18

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