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Subtract 6/84 from 12/5

1st number: 2 2/5, 2nd number: 6/84

12/5 - 6/84 is 163/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 5 × 84 = 420,
    12/5 = 12 × 84/5 × 84 = 1008/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    6/84 = 6 × 5/84 × 5 = 30/420
  4. Subtract the two like fractions:
    1008/420 - 30/420 = 1008 - 30/420 = 978/420
  5. After reducing the fraction, the answer is 163/70
  6. In mixed form: 223/70

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