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Subtract 20/84 from 25/12

1st number: 2 1/12, 2nd number: 20/84

25/12 - 20/84 is 155/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    25/12 = 25 × 7/12 × 7 = 175/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    20/84 = 20 × 1/84 × 1 = 20/84
  4. Subtract the two like fractions:
    175/84 - 20/84 = 175 - 20/84 = 155/84
  5. In mixed form: 171/84

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