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Subtract 8/21 from 8/4

1st number: 2 0/4, 2nd number: 8/21

8/4 - 8/21 is 34/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 21 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 4 × 21 = 84,
    8/4 = 8 × 21/4 × 21 = 168/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    8/21 = 8 × 4/21 × 4 = 32/84
  4. Subtract the two like fractions:
    168/84 - 32/84 = 168 - 32/84 = 136/84
  5. After reducing the fraction, the answer is 34/21
  6. In mixed form: 113/21

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