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Subtract 3/64 from 21/16

1st number: 1 5/16, 2nd number: 3/64

21/16 - 3/64 is 81/64.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 64 is 64

    Next, find the equivalent fraction of both fractional numbers with denominator 64
  2. For the 1st fraction, since 16 × 4 = 64,
    21/16 = 21 × 4/16 × 4 = 84/64
  3. Likewise, for the 2nd fraction, since 64 × 1 = 64,
    3/64 = 3 × 1/64 × 1 = 3/64
  4. Subtract the two like fractions:
    84/64 - 3/64 = 84 - 3/64 = 81/64
  5. In mixed form: 117/64

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