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Subtract 8/84 from 24/21

1st number: 1 3/21, 2nd number: 8/84

24/21 - 8/84 is 22/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 84 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 21 × 4 = 84,
    24/21 = 24 × 4/21 × 4 = 96/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    8/84 = 8 × 1/84 × 1 = 8/84
  4. Subtract the two like fractions:
    96/84 - 8/84 = 96 - 8/84 = 88/84
  5. After reducing the fraction, the answer is 22/21
  6. In mixed form: 11/21

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