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Subtract 20/6 from 84/28

1st number: 3 0/28, 2nd number: 3 2/6

84/28 - 20/6 is -1/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 6 is 84
  2. For the 1st fraction, since 28 × 3 = 84,
    84/28 = 84 × 3/28 × 3 = 252/84
  3. Likewise, for the 2nd fraction, since 6 × 14 = 84,
    20/6 = 20 × 14/6 × 14 = 280/84
  4. Subtract the two fractions:
    252/84 - 280/84 = 252 - 280/84 = -28/84
  5. After reducing the fraction, the answer is -1/3

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