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Subtract 21/6 from 84/4

1st number: 21 0/4, 2nd number: 3 3/6

84/4 - 21/6 is 35/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 6 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 4 × 3 = 12,
    84/4 = 84 × 3/4 × 3 = 252/12
  3. Likewise, for the 2nd fraction, since 6 × 2 = 12,
    21/6 = 21 × 2/6 × 2 = 42/12
  4. Subtract the two like fractions:
    252/12 - 42/12 = 252 - 42/12 = 210/12
  5. After reducing the fraction, the answer is 35/2
  6. In mixed form: 171/2

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