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Subtract 21/64 from 56/18

1st number: 3 2/18, 2nd number: 21/64

56/18 - 21/64 is 1603/576.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 64 is 576

    Next, find the equivalent fraction of both fractional numbers with denominator 576
  2. For the 1st fraction, since 18 × 32 = 576,
    56/18 = 56 × 32/18 × 32 = 1792/576
  3. Likewise, for the 2nd fraction, since 64 × 9 = 576,
    21/64 = 21 × 9/64 × 9 = 189/576
  4. Subtract the two like fractions:
    1792/576 - 189/576 = 1792 - 189/576 = 1603/576
  5. In mixed form: 2451/576

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