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Subtract 20/12 from 84/4

1st number: 21 0/4, 2nd number: 1 8/12

84/4 - 20/12 is 58/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 12 is 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 12 × 1 = 12,
    20/12 = 20 × 1/12 × 1 = 20/12
  4. Subtract the two fractions:
    252/12 - 20/12 = 252 - 20/12 = 232/12
  5. After reducing the fraction, the answer is 58/3
  6. In mixed form: 191/3

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