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Subtract 21/64 from 10/18

10/18 - 21/64 is 131/576.

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,
    10/18 = 10 × 32/18 × 32 = 320/576
  3. Likewise, for the 2nd fraction, since 64 × 9 = 576,
    21/64 = 21 × 9/64 × 9 = 189/576
  4. Subtract the two like fractions:
    320/576 - 189/576 = 320 - 189/576 = 131/576

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