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Subtract 6/8 from 21/28

21/28 - 6/8 is 0/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 8 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 28 × 2 = 56,
    21/28 = 21 × 2/28 × 2 = 42/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    6/8 = 6 × 7/8 × 7 = 42/56
  4. Subtract the two like fractions:
    42/56 - 42/56 = 42 - 42/56 = 0/56
  5. The answer is 0

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