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Subtract 21/6 from 84/2

1st number: 42 0/2, 2nd number: 3 3/6

84/2 - 21/6 is 77/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 6 is 6

    Next, find the equivalent fraction of both fractional numbers with denominator 6
  2. For the 1st fraction, since 2 × 3 = 6,
    84/2 = 84 × 3/2 × 3 = 252/6
  3. Likewise, for the 2nd fraction, since 6 × 1 = 6,
    21/6 = 21 × 1/6 × 1 = 21/6
  4. Subtract the two like fractions:
    252/6 - 21/6 = 252 - 21/6 = 231/6
  5. After reducing the fraction, the answer is 77/2
  6. In mixed form: 381/2

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