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Subtract 1/64 from 70/21

1st number: 3 7/21, 2nd number: 1/64

70/21 - 1/64 is 637/192.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 64 is 1344

    Next, find the equivalent fraction of both fractional numbers with denominator 1344
  2. For the 1st fraction, since 21 × 64 = 1344,
    70/21 = 70 × 64/21 × 64 = 4480/1344
  3. Likewise, for the 2nd fraction, since 64 × 21 = 1344,
    1/64 = 1 × 21/64 × 21 = 21/1344
  4. Subtract the two like fractions:
    4480/1344 - 21/1344 = 4480 - 21/1344 = 4459/1344
  5. After reducing the fraction, the answer is 637/192
  6. In mixed form: 361/192

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