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Subtract 1/84 from 84/80

1st number: 1 4/80, 2nd number: 1/84

84/80 - 1/84 is 109/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 84 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 80 × 21 = 1680,
    84/80 = 84 × 21/80 × 21 = 1764/1680
  3. Likewise, for the 2nd fraction, since 84 × 20 = 1680,
    1/84 = 1 × 20/84 × 20 = 20/1680
  4. Subtract the two like fractions:
    1764/1680 - 20/1680 = 1764 - 20/1680 = 1744/1680
  5. After reducing the fraction, the answer is 109/105
  6. In mixed form: 14/105

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