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Subtract 21/64 from 35/20

1st number: 1 15/20, 2nd number: 21/64

35/20 - 21/64 is 91/64.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 64 is 320

    Next, find the equivalent fraction of both fractional numbers with denominator 320
  2. For the 1st fraction, since 20 × 16 = 320,
    35/20 = 35 × 16/20 × 16 = 560/320
  3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
    21/64 = 21 × 5/64 × 5 = 105/320
  4. Subtract the two like fractions:
    560/320 - 105/320 = 560 - 105/320 = 455/320
  5. After reducing the fraction, the answer is 91/64
  6. In mixed form: 127/64

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