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Subtract 21/56 from 64/28

1st number: 2 8/28, 2nd number: 21/56

64/28 - 21/56 is 107/56.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 28 × 2 = 56,
    64/28 = 64 × 2/28 × 2 = 128/56
  3. Likewise, for the 2nd fraction, since 56 × 1 = 56,
    21/56 = 21 × 1/56 × 1 = 21/56
  4. Subtract the two like fractions:
    128/56 - 21/56 = 128 - 21/56 = 107/56
  5. In mixed form: 151/56

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